80642846460 has 96 divisors (see below), whose sum is σ = 259291872000. Its totient is φ = 18520842240.

The previous prime is 80642846443. The next prime is 80642846483. The reversal of 80642846460 is 6464824608.

It is a super-2 number, since 2×80642846460² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3202885 + ... + 3227964.

It is an arithmetic number, because the mean of its divisors is an integer number (2700957000).

Almost surely, 2^80642846460 is an apocalyptic number.

It is an amenable number.

80642846460 is an abundant number, since it is smaller than the sum of its proper divisors (178649025540).

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

80642846460 is a wasteful number, since it uses less digits than its factorization.

80642846460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6430891 (or 6430889 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 48.

The spelling of 80642846460 in words is "eighty billion, six hundred forty-two million, eight hundred forty-six thousand, four hundred sixty".