26909115426 has 96 divisors (see below), whose sum is σ = 60263723520. Its totient is φ = 8672832000.

The previous prime is 26909115413. The next prime is 26909115433. The reversal of 26909115426 is 62451190962.

26909115426 is a `hidden beast` number, since 2 + 6 + 90 + 9 + 11 + 542 + 6 = 666.

It is a super-2 number, since 2×26909115426² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56177455 + ... + 56177933.

It is an arithmetic number, because the mean of its divisors is an integer number (627747120).

Almost surely, 2^26909115426 is an apocalyptic number.

26909115426 is an abundant number, since it is smaller than the sum of its proper divisors (33354608094).

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

26909115426 is a wasteful number, since it uses less digits than its factorization.

26909115426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112 (or 1109 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 26909115426 in words is "twenty-six billion, nine hundred nine million, one hundred fifteen thousand, four hundred twenty-six".