40564012 has 12 divisors (see below), whose sum is σ = 74723320. Its totient is φ = 19214496.

The previous prime is 40564003. The next prime is 40564037. The reversal of 40564012 is 21046504.

It is a super-2 number, since 2×40564012² = 3290878139072288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266793 + ... + 266944.

Almost surely, 2^40564012 is an apocalyptic number.

It is an amenable number.

40564012 is a deficient number, since it is larger than the sum of its proper divisors (34159308).

40564012 is a wasteful number, since it uses less digits than its factorization.

40564012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533760 (or 533758 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 40564012 is about 6368.9883027055. The cubic root of 40564012 is about 343.5951045609.

The spelling of 40564012 in words is "forty million, five hundred sixty-four thousand, twelve".