26816256 has 108 divisors (see below), whose sum is σ = 78759408. Its totient is φ = 8773632.

The previous prime is 26816249. The next prime is 26816261. The reversal of 26816256 is 65261862.

26816256 is a `hidden beast` number, since 26 + 8 + 1 + 625 + 6 = 666.

It is a super-2 number, since 2×26816256² = 1438223171715072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 26816256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 237256 + ... + 237368.

Almost surely, 2^26816256 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 26816256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39379704).

26816256 is an abundant number, since it is smaller than the sum of its proper divisors (51943152).

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

26816256 is a wasteful number, since it uses less digits than its factorization.

26816256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 221 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 26816256 is about 5178.4414643790. The cubic root of 26816256 is about 299.3179170515.

It can be divided in two parts, 26816 and 256, that added together give a palindrome (27072).

The spelling of 26816256 in words is "twenty-six million, eight hundred sixteen thousand, two hundred fifty-six".