880641813920 has 72 divisors (see below), whose sum is σ = 2286848529252. Its totient is φ = 320233379840.

The previous prime is 880641813911. The next prime is 880641813979. The reversal of 880641813920 is 29318146088.

It can be written as a sum of positive squares in 2 ways, for example, as 715100244496 + 165541569424 = 845636^2 + 406868^2 .

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 11 ways as a sum of consecutive naturals, for example, 22724489 + ... + 22763208.

Almost surely, 2^880641813920 is an apocalyptic number.

880641813920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

880641813920 is an abundant number, since it is smaller than the sum of its proper divisors (1406206715332).

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

880641813920 is a wasteful number, since it uses less digits than its factorization.

880641813920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45487734 (or 45487715 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 50.

The spelling of 880641813920 in words is "eight hundred eighty billion, six hundred forty-one million, eight hundred thirteen thousand, nine hundred twenty".