268765872 has 20 divisors (see below), whose sum is σ = 694311960. Its totient is φ = 89588608.

The previous prime is 268765859. The next prime is 268765883. The reversal of 268765872 is 278567862.

It is a happy 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, 2799597 + ... + 2799692.

It is an arithmetic number, because the mean of its divisors is an integer number (34715598).

Almost surely, 2^268765872 is an apocalyptic number.

It is an amenable number.

268765872 is an abundant number, since it is smaller than the sum of its proper divisors (425546088).

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

268765872 is a wasteful number, since it uses less digits than its factorization.

268765872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5599300 (or 5599294 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 51.

The square root of 268765872 is about 16394.0803950694. The cubic root of 268765872 is about 645.3441442117.

The spelling of 268765872 in words is "two hundred sixty-eight million, seven hundred sixty-five thousand, eight hundred seventy-two".