80440384 has 28 divisors (see below), whose sum is σ = 166567104. Its totient is φ = 38470784.

The previous prime is 80440343. The next prime is 80440397. The reversal of 80440384 is 48304408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25852 + ... + 28795.

Almost surely, 2^80440384 is an apocalyptic number.

It is an amenable number.

80440384 is an abundant number, since it is smaller than the sum of its proper divisors (86126720).

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

80440384 is a wasteful number, since it uses less digits than its factorization.

80440384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54682 (or 54672 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 80440384 is about 8968.8563373487. The cubic root of 80440384 is about 431.6761404446.

The spelling of 80440384 in words is "eighty million, four hundred forty thousand, three hundred eighty-four".