26328136320 has 768 divisors, whose sum is σ = 100370350080. Its totient is φ = 6584094720.

The previous prime is 26328136313. The next prime is 26328136349. The reversal of 26328136320 is 2363182362.

It is a happy number.

26328136320 is a `hidden beast` number, since 2 + 6 + 3 + 2 + 8 + 13 + 632 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 207308097 + ... + 207308223.

It is an arithmetic number, because the mean of its divisors is an integer number (130690560).

Almost surely, 2^26328136320 is an apocalyptic number.

26328136320 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 26328136320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50185175040).

26328136320 is an abundant number, since it is smaller than the sum of its proper divisors (74042213760).

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

26328136320 is a wasteful number, since it uses less digits than its factorization.

26328136320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 26328136320 in words is "twenty-six billion, three hundred twenty-eight million, one hundred thirty-six thousand, three hundred twenty".