26157568 has 40 divisors (see below), whose sum is σ = 53425152. Its totient is φ = 12788736.

The previous prime is 26157553. The next prime is 26157569. The reversal of 26157568 is 86575162.

It is a self number, because there is not a number n which added to its sum of digits gives 26157568.

It is not an unprimeable number, because it can be changed into a prime (26157569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23521 + ... + 24607.

Almost surely, 2^26157568 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 26157568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26712576).

26157568 is an abundant number, since it is smaller than the sum of its proper divisors (27267584).

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

26157568 is an equidigital number, since it uses as much as digits as its factorization.

26157568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152 (or 1136 counting only the distinct ones).

The product of its digits is 100800, while the sum is 40.

The square root of 26157568 is about 5114.4469886782. The cubic root of 26157568 is about 296.8468565454.

The spelling of 26157568 in words is "twenty-six million, one hundred fifty-seven thousand, five hundred sixty-eight".