80440844804 has 12 divisors (see below), whose sum is σ = 140776229328. Its totient is φ = 40219065000.

The previous prime is 80440844789. The next prime is 80440844837. The reversal of 80440844804 is 40844804408.

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, 199622 + ... + 448029.

It is an arithmetic number, because the mean of its divisors is an integer number (11731352444).

Almost surely, 2^80440844804 is an apocalyptic number.

It is an amenable number.

80440844804 is a deficient number, since it is larger than the sum of its proper divisors (60335384524).

80440844804 is a wasteful number, since it uses less digits than its factorization.

80440844804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678706 (or 678704 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 44.

The spelling of 80440844804 in words is "eighty billion, four hundred forty million, eight hundred forty-four thousand, eight hundred four".