44224446644 has 48 divisors (see below), whose sum is σ = 92568822528. Its totient is φ = 18075391488.

The previous prime is 44224446619. The next prime is 44224446647. The reversal of 44224446644 is 44664442244.

It is a happy number.

44224446644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 44224446595 and 44224446604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44224446647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115142 + ... + 318914.

It is an arithmetic number, because the mean of its divisors is an integer number (1928517136).

Almost surely, 2^44224446644 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 44224446644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46284411264).

44224446644 is an abundant number, since it is smaller than the sum of its proper divisors (48344375884).

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

44224446644 is a wasteful number, since it uses less digits than its factorization.

44224446644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204144 (or 204142 counting only the distinct ones).

The product of its digits is 2359296, while the sum is 44.

Adding to 44224446644 its reverse (44664442244), we get a palindrome (88888888888).

The spelling of 44224446644 in words is "forty-four billion, two hundred twenty-four million, four hundred forty-six thousand, six hundred forty-four".