268634478 has 32 divisors (see below), whose sum is σ = 617126400. Its totient is φ = 76364640.

The previous prime is 268634461. The next prime is 268634537. The reversal of 268634478 is 874436862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7713 + ... + 24428.

It is an arithmetic number, because the mean of its divisors is an integer number (19285200).

Almost surely, 2^268634478 is an apocalyptic number.

268634478 is an abundant number, since it is smaller than the sum of its proper divisors (348491922).

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

268634478 is a wasteful number, since it uses less digits than its factorization.

268634478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32352.

The product of its digits is 1548288, while the sum is 48.

The square root of 268634478 is about 16390.0725440737. The cubic root of 268634478 is about 645.2389619954.

The spelling of 268634478 in words is "two hundred sixty-eight million, six hundred thirty-four thousand, four hundred seventy-eight".