26638256 has 20 divisors (see below), whose sum is σ = 51695352. Its totient is φ = 13297536.

The previous prime is 26638253. The next prime is 26638267. The reversal of 26638256 is 65283662.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (26638253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14375 + ... + 16121.

Almost surely, 2^26638256 is an apocalyptic number.

It is an amenable number.

26638256 is a deficient number, since it is larger than the sum of its proper divisors (25057096).

26638256 is a wasteful number, since it uses less digits than its factorization.

26638256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2708 (or 2702 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 26638256 is about 5161.2262108921. The cubic root of 26638256 is about 298.6541789882.

The spelling of 26638256 in words is "twenty-six million, six hundred thirty-eight thousand, two hundred fifty-six".