680140733340 has 48 divisors (see below), whose sum is σ = 1904598420480. Its totient is φ = 181351398720.

The previous prime is 680140733303. The next prime is 680140733341. The reversal of 680140733340 is 43337041086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680140733341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40080 + ... + 1166999.

It is an arithmetic number, because the mean of its divisors is an integer number (39679133760).

Almost surely, 2^680140733340 is an apocalyptic number.

680140733340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

680140733340 is an abundant number, since it is smaller than the sum of its proper divisors (1224457687140).

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

680140733340 is a wasteful number, since it uses less digits than its factorization.

680140733340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216482 (or 1216480 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

The spelling of 680140733340 in words is "six hundred eighty billion, one hundred forty million, seven hundred thirty-three thousand, three hundred forty".