26044038905856 has 168 divisors, whose sum is σ = 71066239823040. Its totient is φ = 8479410487296.

The previous prime is 26044038905783. The next prime is 26044038905891. The reversal of 26044038905856 is 65850983044062.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 26044038905856.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135170035 + ... + 135362573.

It is an arithmetic number, because the mean of its divisors is an integer number (423013332280).

Almost surely, 2^{26044038905856} 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 26044038905856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35533119911520).

26044038905856 is an abundant number, since it is smaller than the sum of its proper divisors (45022200917184).

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

26044038905856 is an frugal number, since it uses more digits than its factorization.

26044038905856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192625 (or 192587 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 60.

The spelling of 26044038905856 in words is "twenty-six trillion, forty-four billion, thirty-eight million, nine hundred five thousand, eight hundred fifty-six".