26424818866 has 16 divisors (see below), whose sum is σ = 39796862040. Its totient is φ = 13159238400.

The previous prime is 26424818843. The next prime is 26424818873. The reversal of 26424818866 is 66881842462.

26424818866 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 22314085641 + 4110733225 = 149379^2 + 64115^2 .

It is a super-4 number, since 4×26424818866⁴ (a number of 43 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1543240 + ... + 1560268.

Almost surely, 2^26424818866 is an apocalyptic number.

26424818866 is a deficient number, since it is larger than the sum of its proper divisors (13372043174).

26424818866 is a wasteful number, since it uses less digits than its factorization.

26424818866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20109.

The product of its digits is 7077888, while the sum is 55.

The spelling of 26424818866 in words is "twenty-six billion, four hundred twenty-four million, eight hundred eighteen thousand, eight hundred sixty-six".