26591495892 has 48 divisors (see below), whose sum is σ = 67018066752. Its totient is φ = 8157703680.

The previous prime is 26591495873. The next prime is 26591495893. The reversal of 26591495892 is 29859419562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26591495893) 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, 200334 + ... + 305477.

It is an arithmetic number, because the mean of its divisors is an integer number (1396209724).

Almost surely, 2^26591495892 is an apocalyptic number.

It is an amenable number.

26591495892 is an abundant number, since it is smaller than the sum of its proper divisors (40426570860).

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

26591495892 is a wasteful number, since it uses less digits than its factorization.

26591495892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506168 (or 506166 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 60.

The spelling of 26591495892 in words is "twenty-six billion, five hundred ninety-one million, four hundred ninety-five thousand, eight hundred ninety-two".