26288892 has 72 divisors (see below), whose sum is σ = 77532000. Its totient is φ = 7507584.

The previous prime is 26288891. The next prime is 26288903. The reversal of 26288892 is 29888262.

It is a super-2 number, since 2×26288892² = 1382211685175328, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26288891) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11284 + ... + 13412.

Almost surely, 2^26288892 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 26288892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38766000).

26288892 is an abundant number, since it is smaller than the sum of its proper divisors (51243108).

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

26288892 is a wasteful number, since it uses less digits than its factorization.

26288892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160 (or 2141 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 26288892 is about 5127.2694487417. The cubic root of 26288892 is about 297.3428004564.

The spelling of 26288892 in words is "twenty-six million, two hundred eighty-eight thousand, eight hundred ninety-two".