80809833444 has 24 divisors (see below), whose sum is σ = 188687899680. Its totient is φ = 26917808064.

The previous prime is 80809833443. The next prime is 80809833497. The reversal of 80809833444 is 44433890808.

It is a super-2 number, since 2×80809833444² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80809833443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2332474 + ... + 2366865.

It is an arithmetic number, because the mean of its divisors is an integer number (7861995820).

Almost surely, 2^80809833444 is an apocalyptic number.

It is an amenable number.

80809833444 is an abundant number, since it is smaller than the sum of its proper divisors (107878066236).

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

80809833444 is a wasteful number, since it uses less digits than its factorization.

80809833444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4700779 (or 4700777 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 51.

The spelling of 80809833444 in words is "eighty billion, eight hundred nine million, eight hundred thirty-three thousand, four hundred forty-four".