40517564 has 12 divisors (see below), whose sum is σ = 71608488. Its totient is φ = 20058000.

The previous prime is 40517563. The next prime is 40517569. The reversal of 40517564 is 46571504.

It is a self number, because there is not a number n which added to its sum of digits gives 40517564.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40517563) 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, 49742 + ... + 50549.

It is an arithmetic number, because the mean of its divisors is an integer number (5967374).

Almost surely, 2^40517564 is an apocalyptic number.

It is an amenable number.

40517564 is a deficient number, since it is larger than the sum of its proper divisors (31090924).

40517564 is a wasteful number, since it uses less digits than its factorization.

40517564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100396 (or 100394 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 40517564 is about 6365.3408392638. The cubic root of 40517564 is about 343.4639094454.

The spelling of 40517564 in words is "forty million, five hundred seventeen thousand, five hundred sixty-four".