40613656 has 16 divisors (see below), whose sum is σ = 76298040. Its totient is φ = 20267520.

The previous prime is 40613641. The next prime is 40613693. The reversal of 40613656 is 65631604.

It is a congruent number.

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, 265 + ... + 9016.

Almost surely, 2^40613656 is an apocalyptic number.

It is an amenable number.

40613656 is a deficient number, since it is larger than the sum of its proper divisors (35684384).

40613656 is a wasteful number, since it uses less digits than its factorization.

40613656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9834 (or 9830 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 40613656 is about 6372.8844332845. The cubic root of 40613656 is about 343.7352162898.

The spelling of 40613656 in words is "forty million, six hundred thirteen thousand, six hundred fifty-six".