26226976128 has 128 divisors (see below), whose sum is σ = 72152678400. Its totient is φ = 8432087040.

The previous prime is 26226976103. The next prime is 26226976129. The reversal of 26226976128 is 82167962262.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26226976129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3722433 + ... + 3729471.

It is an arithmetic number, because the mean of its divisors is an integer number (563692800).

Almost surely, 2^26226976128 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 26226976128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36076339200).

26226976128 is an abundant number, since it is smaller than the sum of its proper divisors (45925702272).

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

26226976128 is a wasteful number, since it uses less digits than its factorization.

26226976128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7400 (or 7388 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 51.

The spelling of 26226976128 in words is "twenty-six billion, two hundred twenty-six million, nine hundred seventy-six thousand, one hundred twenty-eight".