26464020020244 has 36 divisors (see below), whose sum is σ = 66897912634644. Its totient is φ = 8820977248512.

The previous prime is 26464020020237. The next prime is 26464020020267. The reversal of 26464020020244 is 44202002046462.

26464020020244 is a `hidden beast` number, since 2 + 6 + 4 + 6 + 402 + 0 + 0 + 2 + 0 + 244 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 22363346420100 + 4100673600144 = 4728990^2 + 2025012^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 26464020020199 and 26464020020208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14226627 + ... + 15978890.

Almost surely, 2^{26464020020244} is an apocalyptic number.

It is an amenable number.

26464020020244 is an abundant number, since it is smaller than the sum of its proper divisors (40433892614400).

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

26464020020244 is a wasteful number, since it uses less digits than its factorization.

26464020020244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30229864 (or 30229859 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

The spelling of 26464020020244 in words is "twenty-six trillion, four hundred sixty-four billion, twenty million, twenty thousand, two hundred forty-four".