268139413320 has 32 divisors (see below), whose sum is σ = 804418240320. Its totient is φ = 71503843520.

The previous prime is 268139413313. The next prime is 268139413337. The reversal of 268139413320 is 23314931862.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1117247436 + ... + 1117247675.

It is an arithmetic number, because the mean of its divisors is an integer number (25138070010).

Almost surely, 2^268139413320 is an apocalyptic number.

268139413320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268139413320 is an abundant number, since it is smaller than the sum of its proper divisors (536278827000).

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

268139413320 is a wasteful number, since it uses less digits than its factorization.

268139413320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234495125 (or 2234495121 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 268139413320 in words is "two hundred sixty-eight billion, one hundred thirty-nine million, four hundred thirteen thousand, three hundred twenty".