680400113740 has 12 divisors (see below), whose sum is σ = 1428840238896. Its totient is φ = 272160045488.

The previous prime is 680400113641. The next prime is 680400113749. The reversal of 680400113740 is 47311004086.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 680400113696 and 680400113705.

It is not an unprimeable number, because it can be changed into a prime (680400113749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17010002824 + ... + 17010002863.

It is an arithmetic number, because the mean of its divisors is an integer number (119070019908).

Almost surely, 2^680400113740 is an apocalyptic number.

It is an amenable number.

680400113740 is an abundant number, since it is smaller than the sum of its proper divisors (748440125156).

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

680400113740 is a wasteful number, since it uses less digits than its factorization.

680400113740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34020005696 (or 34020005694 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 680400113740 in words is "six hundred eighty billion, four hundred million, one hundred thirteen thousand, seven hundred forty".