26360816256 has 320 divisors, whose sum is σ = 82334716200. Its totient is φ = 8360755200.

The previous prime is 26360816249. The next prime is 26360816297. The reversal of 26360816256 is 65261806362.

26360816256 is a `hidden beast` number, since 2 + 6 + 3 + 608 + 16 + 25 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 14928929856 + 11431886400 = 122184^2 + 106920^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 21948456 + ... + 21949656.

Almost surely, 2^26360816256 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 26360816256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41167358100).

26360816256 is an abundant number, since it is smaller than the sum of its proper divisors (55973899944).

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

26360816256 is a wasteful number, since it uses less digits than its factorization.

26360816256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329 (or 1308 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 26360816256 in words is "twenty-six billion, three hundred sixty million, eight hundred sixteen thousand, two hundred fifty-six".