26445444 has 12 divisors (see below), whose sum is σ = 61706064. Its totient is φ = 8815144.

The previous prime is 26445437. The next prime is 26445479. The reversal of 26445444 is 44454462.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1101882 + ... + 1101905.

It is an arithmetic number, because the mean of its divisors is an integer number (5142172).

Almost surely, 2^26445444 is an apocalyptic number.

It is an amenable number.

26445444 is an abundant number, since it is smaller than the sum of its proper divisors (35260620).

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

26445444 is a wasteful number, since it uses less digits than its factorization.

26445444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2203794 (or 2203792 counting only the distinct ones).

The product of its digits is 61440, while the sum is 33.

The square root of 26445444 is about 5142.5133932738. The cubic root of 26445444 is about 297.9318643678.

It can be divided in two parts, 2 and 6445444, that added together give a palindrome (6445446).

The spelling of 26445444 in words is "twenty-six million, four hundred forty-five thousand, four hundred forty-four".