26844626260 has 12 divisors (see below), whose sum is σ = 56373715188. Its totient is φ = 10737850496.

The previous prime is 26844626257. The next prime is 26844626261. The reversal of 26844626260 is 6262644862.

It can be written as a sum of positive squares in 2 ways, for example, as 18145706436 + 8698919824 = 134706^2 + 93268^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 26844626260.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26844626261) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 671115637 + ... + 671115676.

It is an arithmetic number, because the mean of its divisors is an integer number (4697809599).

Almost surely, 2^26844626260 is an apocalyptic number.

26844626260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26844626260 is an abundant number, since it is smaller than the sum of its proper divisors (29529088928).

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

26844626260 is a wasteful number, since it uses less digits than its factorization.

26844626260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342231322 (or 1342231320 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 46.

The spelling of 26844626260 in words is "twenty-six billion, eight hundred forty-four million, six hundred twenty-six thousand, two hundred sixty".