68838107356340 has 48 divisors (see below), whose sum is σ = 166067475635712. Its totient is φ = 23479348525056.

The previous prime is 68838107356313. The next prime is 68838107356351. The reversal of 68838107356340 is 4365370183886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1273809164 + ... + 1273863203.

It is an arithmetic number, because the mean of its divisors is an integer number (3459739075744).

Almost surely, 2^{68838107356340} is an apocalyptic number.

It is an amenable number.

68838107356340 is an abundant number, since it is smaller than the sum of its proper divisors (97229368279372).

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

68838107356340 is a wasteful number, since it uses less digits than its factorization.

68838107356340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2547672576 (or 2547672574 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 62.

The spelling of 68838107356340 in words is "sixty-eight trillion, eight hundred thirty-eight billion, one hundred seven million, three hundred fifty-six thousand, three hundred forty".