80440251984 has 80 divisors (see below), whose sum is σ = 233487734400. Its totient is φ = 26512130304.

The previous prime is 80440251977. The next prime is 80440252007. The reversal of 80440251984 is 48915204408.

80440251984 is a `hidden beast` number, since 80 + 440 + 2 + 51 + 9 + 84 = 666.

It is a congruent number.

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, 1007644 + ... + 1084539.

It is an arithmetic number, because the mean of its divisors is an integer number (2918596680).

Almost surely, 2^80440251984 is an apocalyptic number.

It is an amenable number.

80440251984 is an abundant number, since it is smaller than the sum of its proper divisors (153047482416).

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

80440251984 is a wasteful number, since it uses less digits than its factorization.

80440251984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2092289 (or 2092277 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 80440251984 in words is "eighty billion, four hundred forty million, two hundred fifty-one thousand, nine hundred eighty-four".