26869172274 has 96 divisors (see below), whose sum is σ = 68634523776. Its totient is φ = 7438210560.

The previous prime is 26869172273. The next prime is 26869172279. The reversal of 26869172274 is 47227196862.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 26869172274.

It is not an unprimeable number, because it can be changed into a prime (26869172273) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 488874 + ... + 541050.

It is an arithmetic number, because the mean of its divisors is an integer number (714942956).

Almost surely, 2^26869172274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26869172274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34317261888).

26869172274 is an abundant number, since it is smaller than the sum of its proper divisors (41765351502).

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

26869172274 is a wasteful number, since it uses less digits than its factorization.

26869172274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52320 (or 52317 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The spelling of 26869172274 in words is "twenty-six billion, eight hundred sixty-nine million, one hundred seventy-two thousand, two hundred seventy-four".