26560732068 has 144 divisors (see below), whose sum is σ = 76651127280. Its totient is φ = 7682383872.

The previous prime is 26560732067. The next prime is 26560732127. The reversal of 26560732068 is 86023706562.

It is a happy number.

26560732068 is a `hidden beast` number, since 2 + 6 + 5 + 607 + 32 + 0 + 6 + 8 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 5282091684 + 21278640384 = 72678^2 + 145872^2 .

It is not an unprimeable number, because it can be changed into a prime (26560732061) 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 47 ways as a sum of consecutive naturals, for example, 8980846 + ... + 8983802.

It is an arithmetic number, because the mean of its divisors is an integer number (532299495).

Almost surely, 2^26560732068 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 26560732068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38325563640).

26560732068 is an abundant number, since it is smaller than the sum of its proper divisors (50090395212).

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

26560732068 is a wasteful number, since it uses less digits than its factorization.

26560732068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4126 (or 4121 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 26560732068 in words is "twenty-six billion, five hundred sixty million, seven hundred thirty-two thousand, sixty-eight".