268658964 has 72 divisors (see below), whose sum is σ = 810257280. Its totient is φ = 76758192.

The previous prime is 268658963. The next prime is 268659023. The reversal of 268658964 is 469856862.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 268658964.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268658963) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20092 + ... + 30675.

Almost surely, 2^268658964 is an apocalyptic number.

It is an amenable number.

268658964 is an abundant number, since it is smaller than the sum of its proper divisors (541598316).

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

268658964 is a wasteful number, since it uses less digits than its factorization.

268658964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50794 (or 50779 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The square root of 268658964 is about 16390.8195036124. The cubic root of 268658964 is about 645.2585658841.

The spelling of 268658964 in words is "two hundred sixty-eight million, six hundred fifty-eight thousand, nine hundred sixty-four".