680490791502 has 16 divisors (see below), whose sum is σ = 1361161152000. Its totient is φ = 226800335672.

The previous prime is 680490791471. The next prime is 680490791509. The reversal of 680490791502 is 205197094086.

680490791502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680490791509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7432752 + ... + 7523747.

It is an arithmetic number, because the mean of its divisors is an integer number (85072572000).

Almost surely, 2^680490791502 is an apocalyptic number.

680490791502 is an abundant number, since it is smaller than the sum of its proper divisors (680670360498).

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

680490791502 is a wasteful number, since it uses less digits than its factorization.

680490791502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14964087.

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 680490791502 in words is "six hundred eighty billion, four hundred ninety million, seven hundred ninety-one thousand, five hundred two".