680226856804 has 48 divisors (see below), whose sum is σ = 1398752974080. Its totient is φ = 286108532640.

The previous prime is 680226856801. The next prime is 680226856849. The reversal of 680226856804 is 408658622086.

680226856804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (680226856801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9425314 + ... + 9497209.

It is an arithmetic number, because the mean of its divisors is an integer number (29140686960).

Almost surely, 2^680226856804 is an apocalyptic number.

It is an amenable number.

680226856804 is an abundant number, since it is smaller than the sum of its proper divisors (718526117276).

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

680226856804 is a wasteful number, since it uses less digits than its factorization.

680226856804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18922600 (or 18922598 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 55.

The spelling of 680226856804 in words is "six hundred eighty billion, two hundred twenty-six million, eight hundred fifty-six thousand, eight hundred four".