40623596920 has 16 divisors (see below), whose sum is σ = 91403093160. Its totient is φ = 16249438752.

The previous prime is 40623596891. The next prime is 40623596939. The reversal of 40623596920 is 2969532604.

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, 507794922 + ... + 507795001.

Almost surely, 2^40623596920 is an apocalyptic number.

40623596920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40623596920 is an abundant number, since it is smaller than the sum of its proper divisors (50779496240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40623596920 is a wasteful number, since it uses less digits than its factorization.

40623596920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015589934 (or 1015589930 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 46.

The spelling of 40623596920 in words is "forty billion, six hundred twenty-three million, five hundred ninety-six thousand, nine hundred twenty".