26208660268 has 48 divisors (see below), whose sum is σ = 55481171200. Its totient is φ = 10582280640.

The previous prime is 26208660199. The next prime is 26208660271. The reversal of 26208660268 is 86206680262.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39798 + ... + 232381.

Almost surely, 2^26208660268 is an apocalyptic number.

26208660268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

26208660268 is an abundant number, since it is smaller than the sum of its proper divisors (29272510932).

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

26208660268 is a wasteful number, since it uses less digits than its factorization.

26208660268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272390 (or 272388 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 46.

The spelling of 26208660268 in words is "twenty-six billion, two hundred eight million, six hundred sixty thousand, two hundred sixty-eight".