80391044 has 12 divisors (see below), whose sum is σ = 140906304. Its totient is φ = 40132104.

The previous prime is 80391023. The next prime is 80391053. The reversal of 80391044 is 44019308.

It is a junction number, because it is equal to n+sod(n) for n = 80390998 and 80391016.

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, 12944 + ... + 18119.

It is an arithmetic number, because the mean of its divisors is an integer number (11742192).

Almost surely, 2^80391044 is an apocalyptic number.

It is an amenable number.

80391044 is a deficient number, since it is larger than the sum of its proper divisors (60515260).

80391044 is a wasteful number, since it uses less digits than its factorization.

80391044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31714 (or 31712 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 80391044 is about 8966.1052860202. The cubic root of 80391044 is about 431.5878628245.

The spelling of 80391044 in words is "eighty million, three hundred ninety-one thousand, forty-four".