26134619172 has 12 divisors (see below), whose sum is σ = 60980778096. Its totient is φ = 8711539720.

The previous prime is 26134619089. The next prime is 26134619227. The reversal of 26134619172 is 27191643162.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1088942454 + ... + 1088942477.

It is an arithmetic number, because the mean of its divisors is an integer number (5081731508).

Almost surely, 2^26134619172 is an apocalyptic number.

It is an amenable number.

26134619172 is an abundant number, since it is smaller than the sum of its proper divisors (34846158924).

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

26134619172 is a wasteful number, since it uses less digits than its factorization.

26134619172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2177884938 (or 2177884936 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The spelling of 26134619172 in words is "twenty-six billion, one hundred thirty-four million, six hundred nineteen thousand, one hundred seventy-two".