4440021424 has 20 divisors (see below), whose sum is σ = 8614300336. Its totient is φ = 2216976192.

The previous prime is 4440021367. The next prime is 4440021433. The reversal of 4440021424 is 4241200444.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 177564 + ... + 201019.

Almost surely, 2^4440021424 is an apocalyptic number.

It is an amenable number.

4440021424 is a deficient number, since it is larger than the sum of its proper divisors (4174278912).

4440021424 is a wasteful number, since it uses less digits than its factorization.

4440021424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379324 (or 379318 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 4440021424 is about 66633.4857560371. The cubic root of 4440021424 is about 1643.5957965402.

Adding to 4440021424 its reverse (4241200444), we get a palindrome (8681221868).

The spelling of 4440021424 in words is "four billion, four hundred forty million, twenty-one thousand, four hundred twenty-four".