80485320044 has 12 divisors (see below), whose sum is σ = 148262431800. Its totient is φ = 38124625248.

The previous prime is 80485320031. The next prime is 80485320059. The reversal of 80485320044 is 44002358408.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 529508609 + ... + 529508760.

It is an arithmetic number, because the mean of its divisors is an integer number (12355202650).

Almost surely, 2^80485320044 is an apocalyptic number.

It is an amenable number.

80485320044 is a deficient number, since it is larger than the sum of its proper divisors (67777111756).

80485320044 is a wasteful number, since it uses less digits than its factorization.

80485320044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059017392 (or 1059017390 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 38.

The spelling of 80485320044 in words is "eighty billion, four hundred eighty-five million, three hundred twenty thousand, forty-four".