680231515210 has 64 divisors (see below), whose sum is σ = 1376146195200. Its totient is φ = 240205109760.

The previous prime is 680231515177. The next prime is 680231515217. The reversal of 680231515210 is 12515132086.

It is a super-2 number, since 2×680231515210² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (680231515217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25464441 + ... + 25491139.

It is an arithmetic number, because the mean of its divisors is an integer number (21502284300).

Almost surely, 2^680231515210 is an apocalyptic number.

680231515210 is an abundant number, since it is smaller than the sum of its proper divisors (695914679990).

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

680231515210 is a wasteful number, since it uses less digits than its factorization.

680231515210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35263.

The product of its (nonzero) digits is 14400, while the sum is 34.

Adding to 680231515210 its reverse (12515132086), we get a palindrome (692746647296).

The spelling of 680231515210 in words is "six hundred eighty billion, two hundred thirty-one million, five hundred fifteen thousand, two hundred ten".