680466320 has 40 divisors (see below), whose sum is σ = 1591820736. Its totient is φ = 270511488.

The previous prime is 680466317. The next prime is 680466331. The reversal of 680466320 is 23664086.

It is a tau number, because it is divible by the number of its divisors (40).

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, 13052 + ... + 39131.

Almost surely, 2^680466320 is an apocalyptic number.

It is an amenable number.

680466320 is an abundant number, since it is smaller than the sum of its proper divisors (911354416).

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

680466320 is a wasteful number, since it uses less digits than its factorization.

680466320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52359 (or 52353 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 680466320 is about 26085.7493662728. The cubic root of 680466320 is about 879.5669012071.

The spelling of 680466320 in words is "six hundred eighty million, four hundred sixty-six thousand, three hundred twenty".