26288856 has 96 divisors (see below), whose sum is σ = 81806400. Its totient is φ = 7542720.

The previous prime is 26288791. The next prime is 26288861. The reversal of 26288856 is 65888262.

It is a super-3 number, since 3×26288856³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14175 + ... + 15921.

It is an arithmetic number, because the mean of its divisors is an integer number (852150).

Almost surely, 2^26288856 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 26288856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40903200).

26288856 is an abundant number, since it is smaller than the sum of its proper divisors (55517544).

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

26288856 is a wasteful number, since it uses less digits than its factorization.

26288856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789 (or 1782 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 26288856 is about 5127.2659381000. The cubic root of 26288856 is about 297.3426647293.

It can be divided in two parts, 26 and 288856, that added together give a palindrome (288882).

The spelling of 26288856 in words is "twenty-six million, two hundred eighty-eight thousand, eight hundred fifty-six".