26946401255 has 16 divisors (see below), whose sum is σ = 34957498080. Its totient is φ = 19870572672.

The previous prime is 26946401227. The next prime is 26946401267. The reversal of 26946401255 is 55210464962.

It is a cyclic number.

It is not a de Polignac number, because 26946401255 - 2²⁸ = 26677965799 is a prime.

It is a super-2 number, since 2×26946401255² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 3829544 + ... + 3836573.

It is an arithmetic number, because the mean of its divisors is an integer number (2184843630).

Almost surely, 2^26946401255 is an apocalyptic number.

26946401255 is a deficient number, since it is larger than the sum of its proper divisors (8011096825).

26946401255 is a wasteful number, since it uses less digits than its factorization.

26946401255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7666178.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 26946401255 in words is "twenty-six billion, nine hundred forty-six million, four hundred one thousand, two hundred fifty-five".