26439968 has 24 divisors (see below), whose sum is σ = 52175340. Its totient is φ = 13189120.

The previous prime is 26439929. The next prime is 26439977. The reversal of 26439968 is 86993462.

It can be written as a sum of positive squares in 2 ways, for example, as 22391824 + 4048144 = 4732^2 + 2012^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19868 + ... + 21156.

Almost surely, 2^26439968 is an apocalyptic number.

It is an amenable number.

26439968 is a deficient number, since it is larger than the sum of its proper divisors (25735372).

26439968 is a wasteful number, since it uses less digits than its factorization.

26439968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1940 (or 1932 counting only the distinct ones).

The product of its digits is 559872, while the sum is 47.

The square root of 26439968 is about 5141.9809412327. The cubic root of 26439968 is about 297.9112989160.

The spelling of 26439968 in words is "twenty-six million, four hundred thirty-nine thousand, nine hundred sixty-eight".