26560220328 has 128 divisors (see below), whose sum is σ = 75236256000. Its totient is φ = 8679432960.

The previous prime is 26560220237. The next prime is 26560220329. The reversal of 26560220328 is 82302206562.

26560220328 is a `hidden beast` number, since 2 + 6 + 5 + 602 + 20 + 3 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 26560220292 and 26560220301.

It is not an unprimeable number, because it can be changed into a prime (26560220329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4173613 + ... + 4179971.

It is an arithmetic number, because the mean of its divisors is an integer number (587783250).

Almost surely, 2^26560220328 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 26560220328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37618128000).

26560220328 is an abundant number, since it is smaller than the sum of its proper divisors (48676035672).

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

26560220328 is a wasteful number, since it uses less digits than its factorization.

26560220328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6752 (or 6742 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 26560220328 in words is "twenty-six billion, five hundred sixty million, two hundred twenty thousand, three hundred twenty-eight".