268511972 has 12 divisors (see below), whose sum is σ = 475557936. Its totient is φ = 132638280.

The previous prime is 268511951. The next prime is 268511977. The reversal of 268511972 is 279115862.

268511972 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (268511977) 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, 404054 + ... + 404717.

It is an arithmetic number, because the mean of its divisors is an integer number (39629828).

Almost surely, 2^268511972 is an apocalyptic number.

It is an amenable number.

268511972 is a deficient number, since it is larger than the sum of its proper divisors (207045964).

268511972 is a wasteful number, since it uses less digits than its factorization.

268511972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808858 (or 808856 counting only the distinct ones).

The product of its digits is 60480, while the sum is 41.

The square root of 268511972 is about 16386.3349166310. The cubic root of 268511972 is about 645.1408638117.

The spelling of 268511972 in words is "two hundred sixty-eight million, five hundred eleven thousand, nine hundred seventy-two".