26645444644260 has 48 divisors (see below), whose sum is σ = 80346263852736. Its totient is φ = 6558878681472.

The previous prime is 26645444644249. The next prime is 26645444644303. The reversal of 26645444644260 is 6244644454662.

26645444644260 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 26645444644260.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17080412454 + ... + 17080414013.

It is an arithmetic number, because the mean of its divisors is an integer number (1673880496932).

Almost surely, 2^{26645444644260} is an apocalyptic number.

26645444644260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26645444644260 is an abundant number, since it is smaller than the sum of its proper divisors (53700819208476).

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

26645444644260 is a wasteful number, since it uses less digits than its factorization.

26645444644260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34160826492 (or 34160826490 counting only the distinct ones).

The product of its (nonzero) digits is 106168320, while the sum is 57.

The spelling of 26645444644260 in words is "twenty-six trillion, six hundred forty-five billion, four hundred forty-four million, six hundred forty-four thousand, two hundred sixty".