80553032920 has 32 divisors (see below), whose sum is σ = 185664921120. Its totient is φ = 31435329280.

The previous prime is 80553032897. The next prime is 80553032933. The reversal of 80553032920 is 2923035508.

It is a super-2 number, since 2×80553032920² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80553032920.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24557212 + ... + 24560491.

It is an arithmetic number, because the mean of its divisors is an integer number (5802028785).

Almost surely, 2^80553032920 is an apocalyptic number.

It is an amenable number.

80553032920 is an abundant number, since it is smaller than the sum of its proper divisors (105111888200).

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

80553032920 is a wasteful number, since it uses less digits than its factorization.

80553032920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49117755 (or 49117751 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 80553032920 in words is "eighty billion, five hundred fifty-three million, thirty-two thousand, nine hundred twenty".