680042916 has 36 divisors (see below), whose sum is σ = 1964569152. Its totient is φ = 194297904.

The previous prime is 680042911. The next prime is 680042917. The reversal of 680042916 is 619240086.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (680042911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1349040 + ... + 1349543.

Almost surely, 2^680042916 is an apocalyptic number.

It is an amenable number.

680042916 is an abundant number, since it is smaller than the sum of its proper divisors (1284526236).

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

680042916 is a wasteful number, since it uses less digits than its factorization.

680042916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2698600 (or 2698595 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 680042916 is about 26077.6324845642. The cubic root of 680042916 is about 879.3844334878.

The spelling of 680042916 in words is "six hundred eighty million, forty-two thousand, nine hundred sixteen".