26396544 has 64 divisors (see below), whose sum is σ = 71493840. Its totient is φ = 8626176.

The previous prime is 26396543. The next prime is 26396549. The reversal of 26396544 is 44569362.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26396543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19704 + ... + 21000.

Almost surely, 2^26396544 is an apocalyptic number.

26396544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26396544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35746920).

26396544 is an abundant number, since it is smaller than the sum of its proper divisors (45097296).

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

26396544 is a wasteful number, since it uses less digits than its factorization.

26396544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367 (or 1355 counting only the distinct ones).

The product of its digits is 155520, while the sum is 39.

The square root of 26396544 is about 5137.7567089149. The cubic root of 26396544 is about 297.7481168116.

The spelling of 26396544 in words is "twenty-six million, three hundred ninety-six thousand, five hundred forty-four".