It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 40 009 744 is not a prime number.
For example, 40 009 744 can be divided by 2: 40 009 744 / 2 = 20 004 872.
For 40 009 744 to be a prime number, it would have been required that 40 009 744 has only two divisors, i.e., itself and 1.
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40 009 744 is an even number, because it is evenly divisible by 2: 40 009 744 / 2 = 20 004 872.
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A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 40 009 744 is about 6 325.326.
Thus, the square root of 40 009 744 is not an integer, and therefore 40 009 744 is not a square number.
The square of a number (here 40 009 744) is the result of the product of this number (40 009 744) by itself (i.e., 40 009 744 × 40 009 744); the square of 40 009 744 is sometimes called "raising 40 009 744 to the power 2", or "40 009 744 squared".
The square of 40 009 744 is 1 600 779 614 945 536 because 40 009 744 × 40 009 744 = 40 009 7442 = 1 600 779 614 945 536.
As a consequence, 40 009 744 is the square root of 1 600 779 614 945 536.
40 009 744 is a number with 8 digits.
The multiples of 40 009 744 are all integers evenly divisible by 40 009 744, that is all numbers such that the remainder of the division by 40 009 744 is zero. There are infinitely many multiples of 40 009 744. The smallest multiples of 40 009 744 are: