4440020244443 has 4 divisors (see below), whose sum is σ = 5074308850800. Its totient is φ = 3805731638088.

The previous prime is 4440020244431. The next prime is 4440020244461. The reversal of 4440020244443 is 3444420200444.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4440020244443 - 2³⁰ = 4438946502619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4440020244403) 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, 317144303168 + ... + 317144303181.

It is an arithmetic number, because the mean of its divisors is an integer number (1268577212700).

Almost surely, 2^{4440020244443} is an apocalyptic number.

4440020244443 is a deficient number, since it is larger than the sum of its proper divisors (634288606357).

4440020244443 is an equidigital number, since it uses as much as digits as its factorization.

4440020244443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634288606356.

The product of its (nonzero) digits is 196608, while the sum is 35.

Adding to 4440020244443 its reverse (3444420200444), we get a palindrome (7884440444887).

The spelling of 4440020244443 in words is "four trillion, four hundred forty billion, twenty million, two hundred forty-four thousand, four hundred forty-three".