26604256 has 108 divisors (see below), whose sum is σ = 65672208. Its totient is φ = 10571904.

The previous prime is 26604247. The next prime is 26604283. The reversal of 26604256 is 65240662.

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 17 ways as a sum of consecutive naturals, for example, 566025 + ... + 566071.

It is an arithmetic number, because the mean of its divisors is an integer number (608076).

Almost surely, 2^26604256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26604256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32836104).

26604256 is an abundant number, since it is smaller than the sum of its proper divisors (39067952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26604256 is a wasteful number, since it uses less digits than its factorization.

26604256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 26604256 is about 5157.9313682910. The cubic root of 26604256 is about 298.5270614909.

The spelling of 26604256 in words is "twenty-six million, six hundred four thousand, two hundred fifty-six".