4421444445 has 96 divisors (see below), whose sum is σ = 8831047680. Its totient is φ = 2025386880.

The previous prime is 4421444441. The next prime is 4421444459. The reversal of 4421444445 is 5444441244.

4421444445 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4421444445 - 2² = 4421444441 is a prime.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 942616 + ... + 947294.

It is an arithmetic number, because the mean of its divisors is an integer number (91990080).

Almost surely, 2^4421444445 is an apocalyptic number.

4421444445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4421444445 is a deficient number, since it is larger than the sum of its proper divisors (4409603235).

4421444445 is a wasteful number, since it uses less digits than its factorization.

4421444445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4807 (or 4804 counting only the distinct ones).

The product of its digits is 163840, while the sum is 36.

The square root of 4421444445 is about 66493.9429196374. The cubic root of 4421444445 is about 1641.3003326078.

Adding to 4421444445 its reverse (5444441244), we get a palindrome (9865885689).

The spelling of 4421444445 in words is "four billion, four hundred twenty-one million, four hundred forty-four thousand, four hundred forty-five".