26256856 has 16 divisors (see below), whose sum is σ = 49482000. Its totient is φ = 13061664.

The previous prime is 26256847. The next prime is 26256871. The reversal of 26256856 is 65865262.

It is a happy number.

It is a super-3 number, since 3×26256856³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6655 + ... + 9838.

It is an arithmetic number, because the mean of its divisors is an integer number (3092625).

Almost surely, 2^26256856 is an apocalyptic number.

It is an amenable number.

26256856 is a deficient number, since it is larger than the sum of its proper divisors (23225144).

26256856 is a wasteful number, since it uses less digits than its factorization.

26256856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16698 (or 16694 counting only the distinct ones).

The product of its digits is 172800, while the sum is 40.

The square root of 26256856 is about 5124.1444163880. The cubic root of 26256856 is about 297.2219693725.

It can be divided in two parts, 2625 and 6856, that multiplied together give a triangular number (17997000 = T₅₉₉₉).

The spelling of 26256856 in words is "twenty-six million, two hundred fifty-six thousand, eight hundred fifty-six".