80440048880 has 20 divisors (see below), whose sum is σ = 187023113832. Its totient is φ = 32176019520.

The previous prime is 80440048861. The next prime is 80440048883. The reversal of 80440048880 is 8884004408.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80440048883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502750226 + ... + 502750385.

Almost surely, 2^80440048880 is an apocalyptic number.

80440048880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80440048880 is an abundant number, since it is smaller than the sum of its proper divisors (106583064952).

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

80440048880 is a wasteful number, since it uses less digits than its factorization.

80440048880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005500624 (or 1005500618 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 44.

The spelling of 80440048880 in words is "eighty billion, four hundred forty million, forty-eight thousand, eight hundred eighty".