80040880400 has 60 divisors (see below), whose sum is σ = 207090399012. Its totient is φ = 29553553920.

The previous prime is 80040880349. The next prime is 80040880427. The reversal of 80040880400 is 408804008.

It can be written as a sum of positive squares in 6 ways, for example, as 9216768016 + 70824112384 = 96004^2 + 266128^2 .

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, 7691039 + ... + 7701438.

Almost surely, 2^80040880400 is an apocalyptic number.

80040880400 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80040880400 is an abundant number, since it is smaller than the sum of its proper divisors (127049518612).

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

80040880400 is a wasteful number, since it uses less digits than its factorization.

80040880400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15392508 (or 15392497 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 32.

The spelling of 80040880400 in words is "eighty billion, forty million, eight hundred eighty thousand, four hundred".