26163256 has 48 divisors (see below), whose sum is σ = 58933440. Its totient is φ = 10846080.

The previous prime is 26163239. The next prime is 26163257. The reversal of 26163256 is 65236162.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26163257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11076 + ... + 13228.

It is an arithmetic number, because the mean of its divisors is an integer number (1227780).

Almost surely, 2^26163256 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 26163256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29466720).

26163256 is an abundant number, since it is smaller than the sum of its proper divisors (32770184).

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

26163256 is a wasteful number, since it uses less digits than its factorization.

26163256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2204 (or 2193 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 26163256 is about 5115.0030303021. The cubic root of 26163256 is about 296.8683715750.

Subtracting from 26163256 its sum of digits (31), we obtain a square (26163225 = 5115²).

The spelling of 26163256 in words is "twenty-six million, one hundred sixty-three thousand, two hundred fifty-six".