26448444 has 120 divisors (see below), whose sum is σ = 77693616. Its totient is φ = 7776000.

The previous prime is 26448427. The next prime is 26448449. The reversal of 26448444 is 44484462.

26448444 is a `hidden beast` number, since 2 + 644 + 8 + 4 + 4 + 4 = 666.

It is a super-2 number, since 2×26448444² = 1399040380042272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 26448399 and 26448408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26448449) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 146034 + ... + 146214.

Almost surely, 2^26448444 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 26448444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38846808).

26448444 is an abundant number, since it is smaller than the sum of its proper divisors (51245172).

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

26448444 is a wasteful number, since it uses less digits than its factorization.

26448444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 238 counting only the distinct ones).

The product of its digits is 98304, while the sum is 36.

The square root of 26448444 is about 5142.8050711650. The cubic root of 26448444 is about 297.9431298470.

It can be divided in two parts, 2 and 6448444, that added together give a palindrome (6448446).

The spelling of 26448444 in words is "twenty-six million, four hundred forty-eight thousand, four hundred forty-four".