80808844400 has 30 divisors (see below), whose sum is σ = 194143249632. Its totient is φ = 32323537600.

The previous prime is 80808844397. The next prime is 80808844411. The reversal of 80808844400 is 444880808.

It is a super-2 number, since 2×80808844400² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101010656 + ... + 101011455.

Almost surely, 2^80808844400 is an apocalyptic number.

80808844400 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80808844400 is an abundant number, since it is smaller than the sum of its proper divisors (113334405232).

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

80808844400 is a wasteful number, since it uses less digits than its factorization.

80808844400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202022129 (or 202022118 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 44.

The spelling of 80808844400 in words is "eighty billion, eight hundred eight million, eight hundred forty-four thousand, four hundred".