268204251292 has 24 divisors (see below), whose sum is σ = 490153507200. Its totient is φ = 128169659376.

The previous prime is 268204251277. The next prime is 268204251299. The reversal of 268204251292 is 292152402862.

It is a super-2 number, since 2×268204251292² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268204251299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1041942 + ... + 1273597.

It is an arithmetic number, because the mean of its divisors is an integer number (20423062800).

Almost surely, 2^268204251292 is an apocalyptic number.

It is an amenable number.

268204251292 is a deficient number, since it is larger than the sum of its proper divisors (221949255908).

268204251292 is a wasteful number, since it uses less digits than its factorization.

268204251292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2316825 (or 2316823 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 268204251292 in words is "two hundred sixty-eight billion, two hundred four million, two hundred fifty-one thousand, two hundred ninety-two".