40124992 has 14 divisors (see below), whose sum is σ = 79623158. Its totient is φ = 20062464.

The previous prime is 40124963. The next prime is 40125023. The reversal of 40124992 is 29942104.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 25563136 + 14561856 = 5056^2 + 3816^2 .

It is a super-2 number, since 2×40124992² = 3220029966000128, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313413 + ... + 313540.

Almost surely, 2^40124992 is an apocalyptic number.

It is an amenable number.

40124992 is a deficient number, since it is larger than the sum of its proper divisors (39498166).

40124992 is an equidigital number, since it uses as much as digits as its factorization.

40124992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626965 (or 626955 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 40124992 is about 6334.4290981903. The cubic root of 40124992 is about 342.3510411263.

The spelling of 40124992 in words is "forty million, one hundred twenty-four thousand, nine hundred ninety-two".