26681232 has 40 divisors (see below), whose sum is σ = 69906240. Its totient is φ = 8767360.

The previous prime is 26681191. The next prime is 26681251. The reversal of 26681232 is 23218662.

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

It is a self number, because there is not a number n which added to its sum of digits gives 26681232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507 + ... + 7322.

It is an arithmetic number, because the mean of its divisors is an integer number (1747656).

Almost surely, 2^26681232 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 26681232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34953120).

26681232 is an abundant number, since it is smaller than the sum of its proper divisors (43225008).

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

26681232 is a wasteful number, since it uses less digits than its factorization.

26681232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7911 (or 7905 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 26681232 is about 5165.3878847575. The cubic root of 26681232 is about 298.8147008317.

Adding to 26681232 its reverse (23218662), we get a palindrome (49899894).

The spelling of 26681232 in words is "twenty-six million, six hundred eighty-one thousand, two hundred thirty-two".