80949032040 has 64 divisors (see below), whose sum is σ = 244250899200. Its totient is φ = 21461626112.

The previous prime is 80949032029. The next prime is 80949032063. The reversal of 80949032040 is 4023094908.

It is a self number, because there is not a number n which added to its sum of digits gives 80949032040.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1928880 + ... + 1970399.

It is an arithmetic number, because the mean of its divisors is an integer number (3816420300).

Almost surely, 2^80949032040 is an apocalyptic number.

It is an amenable number.

80949032040 is an abundant number, since it is smaller than the sum of its proper divisors (163301867160).

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

80949032040 is a wasteful number, since it uses less digits than its factorization.

80949032040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3899466 (or 3899462 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 80949032040 in words is "eighty billion, nine hundred forty-nine million, thirty-two thousand, forty".