680804352 has 240 divisors, whose sum is σ = 2149515200. Its totient is φ = 214990848.

The previous prime is 680804323. The next prime is 680804359. The reversal of 680804352 is 253408086.

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

It is not an unprimeable number, because it can be changed into a prime (680804359) 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, 35831799 + ... + 35831817.

Almost surely, 2^680804352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 680804352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1074757600).

680804352 is an abundant number, since it is smaller than the sum of its proper divisors (1468710848).

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

680804352 is an frugal number, since it uses more digits than its factorization.

680804352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68 (or 24 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 680804352 is about 26092.2278082957. The cubic root of 680804352 is about 879.7125231777.

The spelling of 680804352 in words is "six hundred eighty million, eight hundred four thousand, three hundred fifty-two".