680352040 has 32 divisors (see below), whose sum is σ = 1580175360. Its totient is φ = 263361600.

The previous prime is 680352007. The next prime is 680352047. The reversal of 680352040 is 40253086.

It is not an unprimeable number, because it can be changed into a prime (680352047) 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, 273096 + ... + 275575.

It is an arithmetic number, because the mean of its divisors is an integer number (49380480).

Almost surely, 2^680352040 is an apocalyptic number.

It is an amenable number.

680352040 is an abundant number, since it is smaller than the sum of its proper divisors (899823320).

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

680352040 is a wasteful number, since it uses less digits than its factorization.

680352040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548713 (or 548709 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 680352040 is about 26083.5588062672. The cubic root of 680352040 is about 879.5176592240.

The spelling of 680352040 in words is "six hundred eighty million, three hundred fifty-two thousand, forty".