268271128 has 16 divisors (see below), whose sum is σ = 504384480. Its totient is φ = 133768608.

The previous prime is 268271063. The next prime is 268271137. The reversal of 268271128 is 821172862.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42751 + ... + 48622.

It is an arithmetic number, because the mean of its divisors is an integer number (31524030).

Almost surely, 2^268271128 is an apocalyptic number.

It is an amenable number.

268271128 is a deficient number, since it is larger than the sum of its proper divisors (236113352).

268271128 is a wasteful number, since it uses less digits than its factorization.

268271128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91746 (or 91742 counting only the distinct ones).

The product of its digits is 21504, while the sum is 37.

The square root of 268271128 is about 16378.9843396958. The cubic root of 268271128 is about 644.9479179948.

The spelling of 268271128 in words is "two hundred sixty-eight million, two hundred seventy-one thousand, one hundred twenty-eight".