80448044840 has 64 divisors (see below), whose sum is σ = 188937048960. Its totient is φ = 30770502400.

The previous prime is 80448044821. The next prime is 80448044843. The reversal of 80448044840 is 4844084408.

It is a junction number, because it is equal to n+sod(n) for n = 80448044791 and 80448044800.

It is not an unprimeable number, because it can be changed into a prime (80448044843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3393107 + ... + 3416733.

It is an arithmetic number, because the mean of its divisors is an integer number (2952141390).

Almost surely, 2^80448044840 is an apocalyptic number.

It is an amenable number.

80448044840 is an abundant number, since it is smaller than the sum of its proper divisors (108489004120).

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

80448044840 is a wasteful number, since it uses less digits than its factorization.

80448044840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27362 (or 27358 counting only the distinct ones).

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

The spelling of 80448044840 in words is "eighty billion, four hundred forty-eight million, forty-four thousand, eight hundred forty".