268508634 has 8 divisors (see below), whose sum is σ = 537017280. Its totient is φ = 89502876.

The previous prime is 268508623. The next prime is 268508677. The reversal of 268508634 is 436805862.

It is a sphenic number, since it is the product of 3 distinct primes.

268508634 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22375714 + ... + 22375725.

It is an arithmetic number, because the mean of its divisors is an integer number (67127160).

Almost surely, 2^268508634 is an apocalyptic number.

268508634 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

268508634 is a wasteful number, since it uses less digits than its factorization.

268508634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44751444.

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 268508634 is about 16386.2330631540. The cubic root of 268508634 is about 645.1381904496.

The spelling of 268508634 in words is "two hundred sixty-eight million, five hundred eight thousand, six hundred thirty-four".