268134840312 has 32 divisors (see below), whose sum is σ = 688454322000. Its totient is φ = 86962650624.

The previous prime is 268134840293. The next prime is 268134840353. The reversal of 268134840312 is 213048431862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150975937 + ... + 150977712.

Almost surely, 2^268134840312 is an apocalyptic number.

It is an amenable number.

268134840312 is an abundant number, since it is smaller than the sum of its proper divisors (420319481688).

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

268134840312 is a wasteful number, since it uses less digits than its factorization.

268134840312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301953695 (or 301953691 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The spelling of 268134840312 in words is "two hundred sixty-eight billion, one hundred thirty-four million, eight hundred forty thousand, three hundred twelve".