80880444040 has 64 divisors (see below), whose sum is σ = 199465830720. Its totient is φ = 29271648000.

The previous prime is 80880444019. The next prime is 80880444061. The reversal of 80880444040 is 4044408808.

It is an interprime number because it is at equal distance from previous prime (80880444019) and next prime (80880444061).

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

It is a junction number, because it is equal to n+sod(n) for n = 80880443984 and 80880444002.

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, 342751 + ... + 528430.

It is an arithmetic number, because the mean of its divisors is an integer number (3116653605).

Almost surely, 2^80880444040 is an apocalyptic number.

It is an amenable number.

80880444040 is an abundant number, since it is smaller than the sum of its proper divisors (118585386680).

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

80880444040 is a wasteful number, since it uses less digits than its factorization.

80880444040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871414 (or 871410 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 40.

The spelling of 80880444040 in words is "eighty billion, eight hundred eighty million, four hundred forty-four thousand, forty".