680050921104 has 75 divisors (see below), whose sum is σ = 1968350592307. Its totient is φ = 226673744544.

The previous prime is 680050921087. The next prime is 680050921133. The reversal of 680050921104 is 401129050086.

The square root of 680050921104 is 824652.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 29676019 + ... + 29698925.

Almost surely, 2^680050921104 is an apocalyptic number.

680050921104 is the 824652-nd square number.

It is an amenable number.

680050921104 is an abundant number, since it is smaller than the sum of its proper divisors (1288299671203).

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

680050921104 is an frugal number, since it uses more digits than its factorization.

680050921104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45834 (or 22912 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

Multiplying 680050921104 by its sum of digits (36), we get a square (24481833159744 = 4947912²).

680050921104 divided by its sum of digits (36) gives a square (18890303364 = 137442²).

The spelling of 680050921104 in words is "six hundred eighty billion, fifty million, nine hundred twenty-one thousand, one hundred four".