26439268 has 12 divisors (see below), whose sum is σ = 46306540. Its totient is φ = 13208832.

The previous prime is 26439253. The next prime is 26439289. The reversal of 26439268 is 86293462.

It can be written as a sum of positive squares in 2 ways, for example, as 1459264 + 24980004 = 1208^2 + 4998^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 26439268.

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 3 ways as a sum of consecutive naturals, for example, 5728 + ... + 9256.

Almost surely, 2^26439268 is an apocalyptic number.

It is an amenable number.

26439268 is a deficient number, since it is larger than the sum of its proper divisors (19867272).

26439268 is a wasteful number, since it uses less digits than its factorization.

26439268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5406 (or 5404 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 26439268 is about 5141.9128736298. The cubic root of 26439268 is about 297.9086698187.

It can be divided in two parts, 2643 and 9268, that added together give a palindrome (11911).

The spelling of 26439268 in words is "twenty-six million, four hundred thirty-nine thousand, two hundred sixty-eight".