268520870 has 16 divisors (see below), whose sum is σ = 493622208. Its totient is φ = 105122880.

The previous prime is 268520869. The next prime is 268520881. The reversal of 268520870 is 78025862.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285191 + ... + 286130.

It is an arithmetic number, because the mean of its divisors is an integer number (30851388).

Almost surely, 2^268520870 is an apocalyptic number.

268520870 is a deficient number, since it is larger than the sum of its proper divisors (225101338).

268520870 is a wasteful number, since it uses less digits than its factorization.

268520870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571375.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 268520870 is about 16386.6064210989. The cubic root of 268520870 is about 645.1479899992.

The spelling of 268520870 in words is "two hundred sixty-eight million, five hundred twenty thousand, eight hundred seventy".