26455085568 has 160 divisors (see below), whose sum is σ = 82916032320. Its totient is φ = 8299560960.

The previous prime is 26455085561. The next prime is 26455085639. The reversal of 26455085568 is 86558055462.

It is a happy number.

26455085568 is a `hidden beast` number, since 2 + 6 + 4 + 550 + 85 + 5 + 6 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (26455085561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178723 + ... + 291293.

It is an arithmetic number, because the mean of its divisors is an integer number (518225202).

Almost surely, 2^26455085568 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 26455085568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41458016160).

26455085568 is an abundant number, since it is smaller than the sum of its proper divisors (56460946752).

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

26455085568 is a wasteful number, since it uses less digits than its factorization.

26455085568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112615 (or 112593 counting only the distinct ones).

The product of its (nonzero) digits is 11520000, while the sum is 54.

The spelling of 26455085568 in words is "twenty-six billion, four hundred fifty-five million, eighty-five thousand, five hundred sixty-eight".