26331298560 has 1080 divisors, whose sum is σ = 112666964256. Its totient is φ = 5852528640.

The previous prime is 26331298559. The next prime is 26331298601. The reversal of 26331298560 is 6589213362.

26331298560 is a `hidden beast` number, since 2 + 63 + 3 + 1 + 29 + 8 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (1080).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 360702684 + ... + 360702756.

Almost surely, 2^26331298560 is an apocalyptic number.

26331298560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26331298560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56333482128).

26331298560 is an abundant number, since it is smaller than the sum of its proper divisors (86335665696).

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

26331298560 is an equidigital number, since it uses as much as digits as its factorization.

26331298560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 26331298560 in words is "twenty-six billion, three hundred thirty-one million, two hundred ninety-eight thousand, five hundred sixty".