680318880 has 48 divisors (see below), whose sum is σ = 2143005984. Its totient is φ = 181418240.

The previous prime is 680318833. The next prime is 680318893. The reversal of 680318880 is 88813086.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 708186 + ... + 709145.

It is an arithmetic number, because the mean of its divisors is an integer number (44645958).

Almost surely, 2^680318880 is an apocalyptic number.

680318880 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

680318880 is an abundant number, since it is smaller than the sum of its proper divisors (1462687104).

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

680318880 is a wasteful number, since it uses less digits than its factorization.

680318880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417349 (or 1417341 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 42.

The square root of 680318880 is about 26082.9231490644. The cubic root of 680318880 is about 879.5033699161.

The spelling of 680318880 in words is "six hundred eighty million, three hundred eighteen thousand, eight hundred eighty".