26255572 has 36 divisors (see below), whose sum is σ = 54038964. Its totient is φ = 11128320.

The previous prime is 26255557. The next prime is 26255597. The reversal of 26255572 is 27555262.

It can be written as a sum of positive squares in 2 ways, for example, as 11861136 + 14394436 = 3444^2 + 3794^2 .

It is a super-2 number, since 2×26255572² = 1378710122094368, which contains 22 as substring.

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, 18322 + ... + 19702.

Almost surely, 2^26255572 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 26255572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27019482).

26255572 is an abundant number, since it is smaller than the sum of its proper divisors (27783392).

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

26255572 is a wasteful number, since it uses less digits than its factorization.

26255572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496 (or 1487 counting only the distinct ones).

The product of its digits is 42000, while the sum is 34.

The square root of 26255572 is about 5124.0191256474. The cubic root of 26255572 is about 297.2171244255.

The spelling of 26255572 in words is "twenty-six million, two hundred fifty-five thousand, five hundred seventy-two".