680425860 has 48 divisors (see below), whose sum is σ = 1912825152. Its totient is φ = 180720000.

The previous prime is 680425829. The next prime is 680425861. The reversal of 680425860 is 68524086.

It is a Smith number, since the sum of its digits (39) 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 (680425861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7531 + ... + 37650.

It is an arithmetic number, because the mean of its divisors is an integer number (39850524).

Almost surely, 2^680425860 is an apocalyptic number.

680425860 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

680425860 is an abundant number, since it is smaller than the sum of its proper divisors (1232399292).

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

680425860 is a wasteful number, since it uses less digits than its factorization.

680425860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45444 (or 45442 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 680425860 is about 26084.9738355245. The cubic root of 680425860 is about 879.5494680728.

The spelling of 680425860 in words is "six hundred eighty million, four hundred twenty-five thousand, eight hundred sixty".