4421424544 has 12 divisors (see below), whose sum is σ = 8704679634. Its totient is φ = 2210712256.

The previous prime is 4421424533. The next prime is 4421424547. The reversal of 4421424544 is 4454241244.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3797024400 + 624400144 = 61620^2 + 24988^2 .

It is not an unprimeable number, because it can be changed into a prime (4421424547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69084727 + ... + 69084790.

Almost surely, 2^4421424544 is an apocalyptic number.

It is an amenable number.

4421424544 is a deficient number, since it is larger than the sum of its proper divisors (4283255090).

4421424544 is a wasteful number, since it uses less digits than its factorization.

4421424544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138169527 (or 138169519 counting only the distinct ones).

The product of its digits is 81920, while the sum is 34.

The square root of 4421424544 is about 66493.7932742598. The cubic root of 4421424544 is about 1641.2978700968.

Adding to 4421424544 its reverse (4454241244), we get a palindrome (8875665788).

The spelling of 4421424544 in words is "four billion, four hundred twenty-one million, four hundred twenty-four thousand, five hundred forty-four".