268526881 has 8 divisors (see below), whose sum is σ = 307016640. Its totient is φ = 230069328.

The previous prime is 268526861. The next prime is 268526891. The reversal of 268526881 is 188625862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268526881 is a prime.

It is a super-2 number, since 2×268526881² = 144213371639176322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (268526801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13770 + ... + 26956.

It is an arithmetic number, because the mean of its divisors is an integer number (38377080).

Almost surely, 2^268526881 is an apocalyptic number.

It is an amenable number.

268526881 is a deficient number, since it is larger than the sum of its proper divisors (38489759).

268526881 is a wasteful number, since it uses less digits than its factorization.

268526881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16103.

The product of its digits is 368640, while the sum is 46.

The square root of 268526881 is about 16386.7898320568. The cubic root of 268526881 is about 645.1528039709.

It can be divided in two parts, 26852 and 6881, that added together give a palindrome (33733).

The spelling of 268526881 in words is "two hundred sixty-eight million, five hundred twenty-six thousand, eight hundred eighty-one".