4421434444 has 72 divisors (see below), whose sum is σ = 9567317760. Its totient is φ = 1777585824.

The previous prime is 4421434439. The next prime is 4421434447. The reversal of 4421434444 is 4444341244.

It is not an unprimeable number, because it can be changed into a prime (4421434447) 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, 377809 + ... + 389335.

Almost surely, 2^4421434444 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 4421434444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4783658880).

4421434444 is an abundant number, since it is smaller than the sum of its proper divisors (5145883316).

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

4421434444 is a wasteful number, since it uses less digits than its factorization.

4421434444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11667 (or 11658 counting only the distinct ones).

The product of its digits is 98304, while the sum is 34.

The square root of 4421434444 is about 66493.8677172565. The cubic root of 4421434444 is about 1641.2990951045.

Adding to 4421434444 its reverse (4444341244), we get a palindrome (8865775688).

The spelling of 4421434444 in words is "four billion, four hundred twenty-one million, four hundred thirty-four thousand, four hundred forty-four".