26179090056 has 384 divisors, whose sum is σ = 88598246400. Its totient is φ = 7132769280.

The previous prime is 26179090043. The next prime is 26179090079. The reversal of 26179090056 is 65009097162.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 26179089993 and 26179090020.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23951046 + ... + 23952138.

It is an arithmetic number, because the mean of its divisors is an integer number (230724600).

Almost surely, 2^26179090056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26179090056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44299123200).

26179090056 is an abundant number, since it is smaller than the sum of its proper divisors (62419156344).

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

26179090056 is a wasteful number, since it uses less digits than its factorization.

26179090056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226 (or 1209 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The spelling of 26179090056 in words is "twenty-six billion, one hundred seventy-nine million, ninety thousand, fifty-six".