26020413605 has 16 divisors (see below), whose sum is σ = 33065936640. Its totient is φ = 19589052672.

The previous prime is 26020413599. The next prime is 26020413631. The reversal of 26020413605 is 50631402062.

It is not a de Polignac number, because 26020413605 - 2²⁴ = 26003636389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 731216 + ... + 765974.

It is an arithmetic number, because the mean of its divisors is an integer number (2066621040).

Almost surely, 2^26020413605 is an apocalyptic number.

It is an amenable number.

26020413605 is a deficient number, since it is larger than the sum of its proper divisors (7045523035).

26020413605 is a wasteful number, since it uses less digits than its factorization.

26020413605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43588.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 26020413605 its reverse (50631402062), we get a palindrome (76651815667).

The spelling of 26020413605 in words is "twenty-six billion, twenty million, four hundred thirteen thousand, six hundred five".