268159513260 has 48 divisors (see below), whose sum is σ = 758136427776. Its totient is φ = 70814937792.

The previous prime is 268159513217. The next prime is 268159513309. The reversal of 268159513260 is 62315951862.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21689574 + ... + 21701933.

It is an arithmetic number, because the mean of its divisors is an integer number (15794508912).

Almost surely, 2^268159513260 is an apocalyptic number.

268159513260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268159513260 is an abundant number, since it is smaller than the sum of its proper divisors (489976914516).

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

268159513260 is a wasteful number, since it uses less digits than its factorization.

268159513260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43391622 (or 43391620 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 48.

The spelling of 268159513260 in words is "two hundred sixty-eight billion, one hundred fifty-nine million, five hundred thirteen thousand, two hundred sixty".