268440872 has 16 divisors (see below), whose sum is σ = 575230560. Its totient is φ = 115046064.

The previous prime is 268440859. The next prime is 268440881. The reversal of 268440872 is 278044862.

268440872 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2396738 + ... + 2396849.

It is an arithmetic number, because the mean of its divisors is an integer number (35951910).

Almost surely, 2^268440872 is an apocalyptic number.

It is an amenable number.

268440872 is an abundant number, since it is smaller than the sum of its proper divisors (306789688).

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

268440872 is a wasteful number, since it uses less digits than its factorization.

268440872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4793600 (or 4793596 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 41.

The square root of 268440872 is about 16384.1652823694. The cubic root of 268440872 is about 645.0839159292.

The spelling of 268440872 in words is "two hundred sixty-eight million, four hundred forty thousand, eight hundred seventy-two".