80440892 has 12 divisors (see below), whose sum is σ = 160881840. Its totient is φ = 34474656.

The previous prime is 80440859. The next prime is 80440901. The reversal of 80440892 is 29804408.

80440892 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1436417 + ... + 1436472.

It is an arithmetic number, because the mean of its divisors is an integer number (13406820).

Almost surely, 2^80440892 is an apocalyptic number.

It is an amenable number.

80440892 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

80440892 is a wasteful number, since it uses less digits than its factorization.

80440892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2872900 (or 2872898 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 80440892 is about 8968.8846575257. The cubic root of 80440892 is about 431.6770491549.

The spelling of 80440892 in words is "eighty million, four hundred forty thousand, eight hundred ninety-two".