268756904 has 32 divisors (see below), whose sum is σ = 554238720. Its totient is φ = 121400256.

The previous prime is 268756889. The next prime is 268756907. The reversal of 268756904 is 409657862.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (268756907) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 22604 + ... + 32379.

It is an arithmetic number, because the mean of its divisors is an integer number (17319960).

Almost surely, 2^268756904 is an apocalyptic number.

It is an amenable number.

268756904 is an abundant number, since it is smaller than the sum of its proper divisors (285481816).

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

268756904 is a wasteful number, since it uses less digits than its factorization.

268756904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55049 (or 55045 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 268756904 is about 16393.8068794286. The cubic root of 268756904 is about 645.3369663279.

The spelling of 268756904 in words is "two hundred sixty-eight million, seven hundred fifty-six thousand, nine hundred four".