26276057808 has 960 divisors, whose sum is σ = 100382146560. Its totient is φ = 5732812800.

The previous prime is 26276057741. The next prime is 26276057849. The reversal of 26276057808 is 80875067262.

It is a happy number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 445356883 + ... + 445356941.

It is an arithmetic number, because the mean of its divisors is an integer number (104564736).

Almost surely, 2^26276057808 is an apocalyptic number.

26276057808 is a gapful number since it is divisible by the number (28) 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 26276057808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50191073280).

26276057808 is an abundant number, since it is smaller than the sum of its proper divisors (74106088752).

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

26276057808 is a wasteful number, since it uses less digits than its factorization.

26276057808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 26276057808 in words is "twenty-six billion, two hundred seventy-six million, fifty-seven thousand, eight hundred eight".