80844000880 has 40 divisors (see below), whose sum is σ = 196134580512. Its totient is φ = 30931617024.

The previous prime is 80844000869. The next prime is 80844000911. The reversal of 80844000880 is 8800044808.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 21966639 + ... + 21970318.

Almost surely, 2^80844000880 is an apocalyptic number.

80844000880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80844000880 is an abundant number, since it is smaller than the sum of its proper divisors (115290579632).

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

80844000880 is a wasteful number, since it uses less digits than its factorization.

80844000880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43936993 (or 43936987 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 40.

The spelling of 80844000880 in words is "eighty billion, eight hundred forty-four million, eight hundred eighty", and thus it is an aban number.