4421444444 has 12 divisors (see below), whose sum is σ = 7752914064. Its totient is φ = 2206326144.

The previous prime is 4421444441. The next prime is 4421444459. The reversal of 4421444444 is 4444441244.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4421444441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1096757 + ... + 1100780.

It is an arithmetic number, because the mean of its divisors is an integer number (646076172).

Almost surely, 2^4421444444 is an apocalyptic number.

It is an amenable number.

4421444444 is a deficient number, since it is larger than the sum of its proper divisors (3331469620).

4421444444 is a wasteful number, since it uses less digits than its factorization.

4421444444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2198044 (or 2198042 counting only the distinct ones).

The product of its digits is 131072, while the sum is 35.

The square root of 4421444444 is about 66493.9429121179. The cubic root of 4421444444 is about 1641.3003324841.

Adding to 4421444444 its reverse (4444441244), we get a palindrome (8865885688).

The spelling of 4421444444 in words is "four billion, four hundred twenty-one million, four hundred forty-four thousand, four hundred forty-four".