40552564 has 36 divisors (see below), whose sum is σ = 77474880. Its totient is φ = 18564000.

The previous prime is 40552559. The next prime is 40552591. The reversal of 40552564 is 46525504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161439 + ... + 161689.

It is an arithmetic number, because the mean of its divisors is an integer number (2152080).

Almost surely, 2^40552564 is an apocalyptic number.

It is an amenable number.

40552564 is a deficient number, since it is larger than the sum of its proper divisors (36922316).

40552564 is a wasteful number, since it uses less digits than its factorization.

40552564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520 (or 505 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 40552564 is about 6368.0895094212. The cubic root of 40552564 is about 343.5627783136.

The spelling of 40552564 in words is "forty million, five hundred fifty-two thousand, five hundred sixty-four".