26220260042244 has 36 divisors (see below), whose sum is σ = 67023698430780. Its totient is φ = 8641883458560.

The previous prime is 26220260042231. The next prime is 26220260042293. The reversal of 26220260042244 is 44224006202262.

26220260042244 is a `hidden beast` number, since 2 + 6 + 2 + 2 + 0 + 2 + 600 + 4 + 2 + 2 + 44 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12776964462144 + 13443295580100 = 3574488^2 + 3666510^2 .

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 = 26220260042199 and 26220260042208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4091797677 + ... + 4091804084.

It is an arithmetic number, because the mean of its divisors is an integer number (1861769400855).

Almost surely, 2^{26220260042244} is an apocalyptic number.

It is an amenable number.

26220260042244 is an abundant number, since it is smaller than the sum of its proper divisors (40803438388536).

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

26220260042244 is a wasteful number, since it uses less digits than its factorization.

26220260042244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8183601860 (or 8183601855 counting only the distinct ones).

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

The spelling of 26220260042244 in words is "twenty-six trillion, two hundred twenty billion, two hundred sixty million, forty-two thousand, two hundred forty-four".