40613564 has 24 divisors (see below), whose sum is σ = 75331200. Its totient is φ = 19105200.

The previous prime is 40613549. The next prime is 40613567. The reversal of 40613564 is 46531604.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40613567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9707 + ... + 13245.

It is an arithmetic number, because the mean of its divisors is an integer number (3138800).

Almost surely, 2^40613564 is an apocalyptic number.

It is an amenable number.

40613564 is a deficient number, since it is larger than the sum of its proper divisors (34717636).

40613564 is a wasteful number, since it uses less digits than its factorization.

40613564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3713 (or 3711 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 40613564 is about 6372.8772151988. The cubic root of 40613564 is about 343.7349567411.

The spelling of 40613564 in words is "forty million, six hundred thirteen thousand, five hundred sixty-four".