26031132 has 84 divisors (see below), whose sum is σ = 69777120. Its totient is φ = 8491392.

The previous prime is 26031119. The next prime is 26031139. The reversal of 26031132 is 23113062.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26031139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 230308 + ... + 230420.

It is an arithmetic number, because the mean of its divisors is an integer number (830680).

Almost surely, 2^26031132 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 26031132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34888560).

26031132 is an abundant number, since it is smaller than the sum of its proper divisors (43745988).

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

26031132 is a wasteful number, since it uses less digits than its factorization.

26031132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 26031132 is about 5102.0713440719. The cubic root of 26031132 is about 296.3678012524.

Adding to 26031132 its reverse (23113062), we get a palindrome (49144194).

The spelling of 26031132 in words is "twenty-six million, thirty-one thousand, one hundred thirty-two".