26273430255 has 16 divisors (see below), whose sum is σ = 42088339584. Its totient is φ = 13995545760.

The previous prime is 26273430251. The next prime is 26273430269. The reversal of 26273430255 is 55203437262.

It is not a de Polignac number, because 26273430255 - 2² = 26273430251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26273430251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1046581 + ... + 1071390.

It is an arithmetic number, because the mean of its divisors is an integer number (2630521224).

Almost surely, 2^26273430255 is an apocalyptic number.

26273430255 is a deficient number, since it is larger than the sum of its proper divisors (15814909329).

26273430255 is a wasteful number, since it uses less digits than its factorization.

26273430255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2118806.

The product of its (nonzero) digits is 302400, while the sum is 39.

The spelling of 26273430255 in words is "twenty-six billion, two hundred seventy-three million, four hundred thirty thousand, two hundred fifty-five".