680908480 has 112 divisors (see below), whose sum is σ = 1962156096. Its totient is φ = 219709440.

The previous prime is 680908477. The next prime is 680908493. The reversal of 680908480 is 84809086.

It is a tau number, because it is divible by the number of its divisors (112).

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 15 ways as a sum of consecutive naturals, for example, 29140 + ... + 47020.

Almost surely, 2^680908480 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 680908480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (981078048).

680908480 is an abundant number, since it is smaller than the sum of its proper divisors (1281247616).

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

680908480 is a wasteful number, since it uses less digits than its factorization.

680908480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17922 (or 17912 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 680908480 is about 26094.2231154714. The cubic root of 680908480 is about 879.7573711263.

The spelling of 680908480 in words is "six hundred eighty million, nine hundred eight thousand, four hundred eighty".