26147804256 has 288 divisors, whose sum is σ = 90595814400. Its totient is φ = 6987202560.

The previous prime is 26147804203. The next prime is 26147804323. The reversal of 26147804256 is 65240874162.

26147804256 is a `hidden beast` number, since 2 + 6 + 147 + 80 + 425 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3021696 + ... + 3030336.

It is an arithmetic number, because the mean of its divisors is an integer number (314568800).

Almost surely, 2^26147804256 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 26147804256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45297907200).

26147804256 is an abundant number, since it is smaller than the sum of its proper divisors (64448010144).

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

26147804256 is a wasteful number, since it uses less digits than its factorization.

26147804256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8762 (or 8751 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 26147804256 in words is "twenty-six billion, one hundred forty-seven million, eight hundred four thousand, two hundred fifty-six".