680902228224 has 81 divisors (see below), whose sum is σ = 1963323191739. Its totient is φ = 226954206720.

The previous prime is 680902228183. The next prime is 680902228231. The reversal of 680902228224 is 422822209086.

The square root of 680902228224 is 825168.

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

It is a self number, because there is not a number n which added to its sum of digits gives 680902228224.

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 8 ways as a sum of consecutive naturals, for example, 39599469 + ... + 39616659.

Almost surely, 2^680902228224 is an apocalyptic number.

680902228224 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

680902228224 is the 825168-th square number.

It is an amenable number.

680902228224 is an abundant number, since it is smaller than the sum of its proper divisors (1282420963515).

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

680902228224 is an frugal number, since it uses more digits than its factorization.

680902228224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34404 (or 17196 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The spelling of 680902228224 in words is "six hundred eighty billion, nine hundred two million, two hundred twenty-eight thousand, two hundred twenty-four".