26440326 has 48 divisors (see below), whose sum is σ = 64039248. Its totient is φ = 7814400.

The previous prime is 26440307. The next prime is 26440327. The reversal of 26440326 is 62304462.

It is a self number, because there is not a number n which added to its sum of digits gives 26440326.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26440327) 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, 6490 + ... + 9746.

It is an arithmetic number, because the mean of its divisors is an integer number (1334151).

Almost surely, 2^26440326 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26440326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32019624).

26440326 is an abundant number, since it is smaller than the sum of its proper divisors (37598922).

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

26440326 is a wasteful number, since it uses less digits than its factorization.

26440326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3317 (or 3314 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 26440326 is about 5142.0157526013. The cubic root of 26440326 is about 297.9126434936.

Adding to 26440326 its reverse (62304462), we get a palindrome (88744788).

The spelling of 26440326 in words is "twenty-six million, four hundred forty thousand, three hundred twenty-six".