40024056 has 32 divisors (see below), whose sum is σ = 102389760. Its totient is φ = 13030752.

The previous prime is 40024009. The next prime is 40024057. The reversal of 40024056 is 65042004.

It is a happy number.

It is a super-2 number, since 2×40024056² = 3203850117382272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40024057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18360 + ... + 20423.

It is an arithmetic number, because the mean of its divisors is an integer number (3199680).

Almost surely, 2^40024056 is an apocalyptic number.

It is an amenable number.

40024056 is an abundant number, since it is smaller than the sum of its proper divisors (62365704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40024056 is a wasteful number, since it uses less digits than its factorization.

40024056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38835 (or 38831 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 40024056 is about 6326.4568282728. The cubic root of 40024056 is about 342.0637342318.

The spelling of 40024056 in words is "forty million, twenty-four thousand, fifty-six".