26132437156 has 72 divisors (see below), whose sum is σ = 55524817656. Its totient is φ = 10720120320.

The previous prime is 26132437139. The next prime is 26132437181. The reversal of 26132437156 is 65173423162.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6015553600 + 20116883556 = 77560^2 + 141834^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 395230 + ... + 456586.

It is an arithmetic number, because the mean of its divisors is an integer number (771178023).

Almost surely, 2^26132437156 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 26132437156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27762408828).

26132437156 is an abundant number, since it is smaller than the sum of its proper divisors (29392380500).

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

26132437156 is a wasteful number, since it uses less digits than its factorization.

26132437156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61469 (or 61460 counting only the distinct ones).

The product of its digits is 181440, while the sum is 40.

The spelling of 26132437156 in words is "twenty-six billion, one hundred thirty-two million, four hundred thirty-seven thousand, one hundred fifty-six".