268311358236 has 12 divisors (see below), whose sum is σ = 626059835912. Its totient is φ = 89437119408.

The previous prime is 268311358213. The next prime is 268311358243. The reversal of 268311358236 is 632853113862.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11179639915 + ... + 11179639938.

Almost surely, 2^268311358236 is an apocalyptic number.

It is an amenable number.

268311358236 is an abundant number, since it is smaller than the sum of its proper divisors (357748477676).

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

268311358236 is a wasteful number, since it uses less digits than its factorization.

268311358236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22359279860 (or 22359279858 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 48.

The spelling of 268311358236 in words is "two hundred sixty-eight billion, three hundred eleven million, three hundred fifty-eight thousand, two hundred thirty-six".