268508670 has 64 divisors (see below), whose sum is σ = 694185984. Its totient is φ = 66274560.

The previous prime is 268508623. The next prime is 268508677. The reversal of 268508670 is 76805862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268508677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15114 + ... + 27666.

It is an arithmetic number, because the mean of its divisors is an integer number (10846656).

Almost surely, 2^268508670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 268508670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347092992).

268508670 is an abundant number, since it is smaller than the sum of its proper divisors (425677314).

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

268508670 is a wasteful number, since it uses less digits than its factorization.

268508670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12617.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 268508670 is about 16386.2341616370. The cubic root of 268508670 is about 645.1382192817.

The spelling of 268508670 in words is "two hundred sixty-eight million, five hundred eight thousand, six hundred seventy".