40580956 has 36 divisors (see below), whose sum is σ = 77567112. Its totient is φ = 18567744.

The previous prime is 40580933. The next prime is 40580963. The reversal of 40580956 is 65908504.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

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, 116775 + ... + 117121.

It is an arithmetic number, because the mean of its divisors is an integer number (2154642).

Almost surely, 2^40580956 is an apocalyptic number.

It is an amenable number.

40580956 is a deficient number, since it is larger than the sum of its proper divisors (36986156).

40580956 is a wasteful number, since it uses less digits than its factorization.

40580956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550 (or 535 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 40580956 is about 6370.3183593915. The cubic root of 40580956 is about 343.6429389568.

The spelling of 40580956 in words is "forty million, five hundred eighty thousand, nine hundred fifty-six".