26193215488 has 240 divisors, whose sum is σ = 61151086080. Its totient is φ = 11101798400.

The previous prime is 26193215473. The next prime is 26193215497. The reversal of 26193215488 is 88451239162.

It is an unprimeable number.

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, 294305748 + ... + 294305836.

It is an arithmetic number, because the mean of its divisors is an integer number (254796192).

Almost surely, 2^26193215488 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 26193215488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30575543040).

26193215488 is an abundant number, since it is smaller than the sum of its proper divisors (34957870592).

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

26193215488 is an equidigital number, since it uses as much as digits as its factorization.

26193215488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 196 counting only the distinct ones).

The product of its digits is 829440, while the sum is 49.

The spelling of 26193215488 in words is "twenty-six billion, one hundred ninety-three million, two hundred fifteen thousand, four hundred eighty-eight".