40556016 has 60 divisors (see below), whose sum is σ = 120184272. Its totient is φ = 12722688.

The previous prime is 40556003. The next prime is 40556017. The reversal of 40556016 is 61065504.

It is a happy number.

40556016 is a `hidden beast` number, since 4 + 0 + 55 + 601 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40556017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5836 + ... + 10731.

Almost surely, 2^40556016 is an apocalyptic number.

It is an amenable number.

40556016 is an abundant number, since it is smaller than the sum of its proper divisors (79628256).

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

40556016 is a wasteful number, since it uses less digits than its factorization.

40556016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16598 (or 16589 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 40556016 is about 6368.3605425572. The cubic root of 40556016 is about 343.5725265264.

The spelling of 40556016 in words is "forty million, five hundred fifty-six thousand, sixteen".