26192278392 has 128 divisors (see below), whose sum is σ = 80903155200. Its totient is φ = 6897996288.

The previous prime is 26192278381. The next prime is 26192278421. The reversal of 26192278392 is 29387229162.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7218 + ... + 228990.

It is an arithmetic number, because the mean of its divisors is an integer number (632055900).

Almost surely, 2^26192278392 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 26192278392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40451577600).

26192278392 is an abundant number, since it is smaller than the sum of its proper divisors (54710876808).

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

26192278392 is a wasteful number, since it uses less digits than its factorization.

26192278392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221845 (or 221841 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 51.

The spelling of 26192278392 in words is "twenty-six billion, one hundred ninety-two million, two hundred seventy-eight thousand, three hundred ninety-two".