26257152 has 72 divisors (see below), whose sum is σ = 70640640. Its totient is φ = 8657920.

The previous prime is 26257141. The next prime is 26257157. The reversal of 26257152 is 25175262.

It is a super-2 number, since 2×26257152² = 1378876062302208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26257157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137377 + ... + 137567.

It is an arithmetic number, because the mean of its divisors is an integer number (981120).

Almost surely, 2^26257152 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 26257152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35320320).

26257152 is an abundant number, since it is smaller than the sum of its proper divisors (44383488).

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

26257152 is a wasteful number, since it uses less digits than its factorization.

26257152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 375 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 26257152 is about 5124.1732991771. The cubic root of 26257152 is about 297.2230862538.

The spelling of 26257152 in words is "twenty-six million, two hundred fifty-seven thousand, one hundred fifty-two".