680380052 has 24 divisors (see below), whose sum is σ = 1375315200. Its totient is φ = 291071360.

The previous prime is 680380039. The next prime is 680380081. The reversal of 680380052 is 250083086.

It is a congruent number.

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, 454052 + ... + 455547.

It is an arithmetic number, because the mean of its divisors is an integer number (57304800).

Almost surely, 2^680380052 is an apocalyptic number.

It is an amenable number.

680380052 is an abundant number, since it is smaller than the sum of its proper divisors (694935148).

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

680380052 is a wasteful number, since it uses less digits than its factorization.

680380052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909631 (or 909629 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 680380052 is about 26084.0957673445. The cubic root of 680380052 is about 879.5297297939.

The spelling of 680380052 in words is "six hundred eighty million, three hundred eighty thousand, fifty-two".