680680673480 has 64 divisors (see below), whose sum is σ = 1585712954880. Its totient is φ = 262693094400.

The previous prime is 680680673471. The next prime is 680680673551. The reversal of 680680673480 is 84376086086.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 418769 + ... + 1239648.

It is an arithmetic number, because the mean of its divisors is an integer number (24776764920).

Almost surely, 2^680680673480 is an apocalyptic number.

It is an amenable number.

680680673480 is an abundant number, since it is smaller than the sum of its proper divisors (905032281400).

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

680680673480 is a wasteful number, since it uses less digits than its factorization.

680680673480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658790 (or 1658786 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 56.

The spelling of 680680673480 in words is "six hundred eighty billion, six hundred eighty million, six hundred seventy-three thousand, four hundred eighty".