26042026420565 has 16 divisors (see below), whose sum is σ = 31884999428736. Its totient is φ = 20414176372800.

The previous prime is 26042026420549. The next prime is 26042026420577. The reversal of 26042026420565 is 56502462024062.

It is not a de Polignac number, because 26042026420565 - 2⁴ = 26042026420549 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 224966126 + ... + 225081855.

It is an arithmetic number, because the mean of its divisors is an integer number (1992812464296).

Almost surely, 2^{26042026420565} is an apocalyptic number.

It is an amenable number.

26042026420565 is a deficient number, since it is larger than the sum of its proper divisors (5842973008171).

26042026420565 is a wasteful number, since it uses less digits than its factorization.

26042026420565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450048220.

The product of its (nonzero) digits is 1382400, while the sum is 44.

The spelling of 26042026420565 in words is "twenty-six trillion, forty-two billion, twenty-six million, four hundred twenty thousand, five hundred sixty-five".