26136417328 has 90 divisors (see below), whose sum is σ = 62171166996. Its totient is φ = 10611663552.

The previous prime is 26136417319. The next prime is 26136417421. The reversal of 26136417328 is 82371463162.

It is a super-2 number, since 2×26136417328² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 236851 + ... + 329197.

Almost surely, 2^26136417328 is an apocalyptic number.

26136417328 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 26136417328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31085583498).

26136417328 is an abundant number, since it is smaller than the sum of its proper divisors (36034749668).

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

26136417328 is a wasteful number, since it uses less digits than its factorization.

26136417328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92407 (or 92375 counting only the distinct ones).

The product of its digits is 290304, while the sum is 43.

The spelling of 26136417328 in words is "twenty-six billion, one hundred thirty-six million, four hundred seventeen thousand, three hundred twenty-eight".