26881488 has 120 divisors (see below), whose sum is σ = 81244800. Its totient is φ = 8266752.

The previous prime is 26881487. The next prime is 26881501. The reversal of 26881488 is 88418862.

It is a happy number.

It is a super-2 number, since 2×26881488² = 1445228794188288, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26881483) 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, 193323 + ... + 193461.

It is an arithmetic number, because the mean of its divisors is an integer number (677040).

Almost surely, 2^26881488 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 26881488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40622400).

26881488 is an abundant number, since it is smaller than the sum of its proper divisors (54363312).

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

26881488 is a wasteful number, since it uses less digits than its factorization.

26881488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 240 counting only the distinct ones).

The product of its digits is 196608, while the sum is 45.

The square root of 26881488 is about 5184.7360588558. The cubic root of 26881488 is about 299.5604228878.

It can be divided in two parts, 268814 and 88, that multiplied together give a palindrome (23655632).

The spelling of 26881488 in words is "twenty-six million, eight hundred eighty-one thousand, four hundred eighty-eight".