680502442 has 16 divisors (see below), whose sum is σ = 1080424800. Its totient is φ = 320559120.

The previous prime is 680502349. The next prime is 680502443. The reversal of 680502442 is 244205086.

It is not an unprimeable number, because it can be changed into a prime (680502443) 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, 42592 + ... + 56347.

It is an arithmetic number, because the mean of its divisors is an integer number (67526550).

Almost surely, 2^680502442 is an apocalyptic number.

680502442 is a deficient number, since it is larger than the sum of its proper divisors (399922358).

680502442 is a wasteful number, since it uses less digits than its factorization.

680502442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99141.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 680502442 is about 26086.4417274568. The cubic root of 680502442 is about 879.5824646291.

The spelling of 680502442 in words is "six hundred eighty million, five hundred two thousand, four hundred forty-two".