880638520 has 64 divisors (see below), whose sum is σ = 2003097600. Its totient is φ = 348432000.

The previous prime is 880638497. The next prime is 880638527. The reversal of 880638520 is 25836088.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (880638527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2399377 + ... + 2399743.

It is an arithmetic number, because the mean of its divisors is an integer number (31298400).

Almost surely, 2^880638520 is an apocalyptic number.

It is an amenable number.

880638520 is an abundant number, since it is smaller than the sum of its proper divisors (1122459080).

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

880638520 is a wasteful number, since it uses less digits than its factorization.

880638520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868 (or 864 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 880638520 is about 29675.5542492470. The cubic root of 880638520 is about 958.5156894234.

The spelling of 880638520 in words is "eight hundred eighty million, six hundred thirty-eight thousand, five hundred twenty".