26055421266 has 32 divisors (see below), whose sum is σ = 60678937728. Its totient is φ = 7303944960.

The previous prime is 26055421243. The next prime is 26055421279. The reversal of 26055421266 is 66212455062.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5850295 + ... + 5854746.

It is an arithmetic number, because the mean of its divisors is an integer number (1896216804).

Almost surely, 2^26055421266 is an apocalyptic number.

26055421266 is an abundant number, since it is smaller than the sum of its proper divisors (34623516462).

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

26055421266 is a wasteful number, since it uses less digits than its factorization.

26055421266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11705106.

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 26055421266 in words is "twenty-six billion, fifty-five million, four hundred twenty-one thousand, two hundred sixty-six".