26549968272 has 80 divisors (see below), whose sum is σ = 68897518848. Its totient is φ = 8810081280.

The previous prime is 26549968271. The next prime is 26549968279. The reversal of 26549968272 is 27286994562.

It is not an unprimeable number, because it can be changed into a prime (26549968271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11577558 + ... + 11579850.

Almost surely, 2^26549968272 is an apocalyptic number.

It is an amenable number.

26549968272 is an abundant number, since it is smaller than the sum of its proper divisors (42347550576).

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

26549968272 is a wasteful number, since it uses less digits than its factorization.

26549968272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3288 (or 3282 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 60.

It can be divided in two parts, 2654996 and 8272, that multiplied together give a palindrome (21962126912).

The spelling of 26549968272 in words is "twenty-six billion, five hundred forty-nine million, nine hundred sixty-eight thousand, two hundred seventy-two".