680811133400 has 48 divisors (see below), whose sum is σ = 1606511079240. Its totient is φ = 268259904000.

The previous prime is 680811133319. The next prime is 680811133417. The reversal of 680811133400 is 4331118086.

It is a super-2 number, since 2×680811133400² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 25390001 + ... + 25416800.

Almost surely, 2^680811133400 is an apocalyptic number.

It is an amenable number.

680811133400 is an abundant number, since it is smaller than the sum of its proper divisors (925699945840).

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

680811133400 is a wasteful number, since it uses less digits than its factorization.

680811133400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50806884 (or 50806875 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The spelling of 680811133400 in words is "six hundred eighty billion, eight hundred eleven million, one hundred thirty-three thousand, four hundred".