26855574849 has 12 divisors (see below), whose sum is σ = 41073232356. Its totient is φ = 16850556672.

The previous prime is 26855574829. The next prime is 26855574853. The reversal of 26855574849 is 94847555862.

26855574849 is a `hidden beast` number, since 2 + 6 + 8 + 55 + 574 + 8 + 4 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24144498225 + 2711076624 = 155385^2 + 52068^2 .

It is not a de Polignac number, because 26855574849 - 2⁵ = 26855574817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26855574829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87763164 + ... + 87763469.

It is an arithmetic number, because the mean of its divisors is an integer number (3422769363).

Almost surely, 2^26855574849 is an apocalyptic number.

It is an amenable number.

26855574849 is a deficient number, since it is larger than the sum of its proper divisors (14217657507).

26855574849 is a wasteful number, since it uses less digits than its factorization.

26855574849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175526656 (or 175526653 counting only the distinct ones).

The product of its digits is 96768000, while the sum is 63.

The spelling of 26855574849 in words is "twenty-six billion, eight hundred fifty-five million, five hundred seventy-four thousand, eight hundred forty-nine".