268738568 has 32 divisors (see below), whose sum is σ = 576538560. Its totient is φ = 115039680.

The previous prime is 268738549. The next prime is 268738577. The reversal of 268738568 is 865837862.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57155 + ... + 61677.

It is an arithmetic number, because the mean of its divisors is an integer number (18016830).

Almost surely, 2^268738568 is an apocalyptic number.

268738568 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

268738568 is an abundant number, since it is smaller than the sum of its proper divisors (307799992).

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

268738568 is a wasteful number, since it uses less digits than its factorization.

268738568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5597 (or 5593 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 53.

The square root of 268738568 is about 16393.2476343158. The cubic root of 268738568 is about 645.3222899077.

The spelling of 268738568 in words is "two hundred sixty-eight million, seven hundred thirty-eight thousand, five hundred sixty-eight".