40535564 has 12 divisors (see below), whose sum is σ = 71108688. Its totient is φ = 20218800.

The previous prime is 40535563. The next prime is 40535567. The reversal of 40535564 is 46553504.

It is a self number, because there is not a number n which added to its sum of digits gives 40535564.

It is not an unprimeable number, because it can be changed into a prime (40535563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10352 + ... + 13719.

It is an arithmetic number, because the mean of its divisors is an integer number (5925724).

Almost surely, 2^40535564 is an apocalyptic number.

It is an amenable number.

40535564 is a deficient number, since it is larger than the sum of its proper divisors (30573124).

40535564 is a wasteful number, since it uses less digits than its factorization.

40535564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24496 (or 24494 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 40535564 is about 6366.7545892707. The cubic root of 40535564 is about 343.5147634001.

The spelling of 40535564 in words is "forty million, five hundred thirty-five thousand, five hundred sixty-four".