268992928 has 24 divisors (see below), whose sum is σ = 532103040. Its totient is φ = 133855680.

The previous prime is 268992917. The next prime is 268992929. The reversal of 268992928 is 829299862.

It is not an unprimeable number, because it can be changed into a prime (268992929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13168 + ... + 26671.

It is an arithmetic number, because the mean of its divisors is an integer number (22170960).

Almost surely, 2^268992928 is an apocalyptic number.

It is an amenable number.

268992928 is a deficient number, since it is larger than the sum of its proper divisors (263110112).

268992928 is a wasteful number, since it uses less digits than its factorization.

268992928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40060 (or 40052 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 55.

The square root of 268992928 is about 16401.0038717147. The cubic root of 268992928 is about 645.5258240448.

The spelling of 268992928 in words is "two hundred sixty-eight million, nine hundred ninety-two thousand, nine hundred twenty-eight".