4442001443521 has 8 divisors (see below), whose sum is σ = 4721187024320. Its totient is φ = 4167355465872.

The previous prime is 4442001443497. The next prime is 4442001443569. The reversal of 4442001443521 is 1253441002444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4442001443521 - 2¹¹ = 4442001441473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4442001444521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1134898770 + ... + 1134902683.

It is an arithmetic number, because the mean of its divisors is an integer number (590148378040).

Almost surely, 2^{4442001443521} is an apocalyptic number.

It is an amenable number.

4442001443521 is a deficient number, since it is larger than the sum of its proper divisors (279185580799).

4442001443521 is a wasteful number, since it uses less digits than its factorization.

4442001443521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269801575.

The product of its (nonzero) digits is 61440, while the sum is 34.

Adding to 4442001443521 its reverse (1253441002444), we get a palindrome (5695442445965).

The spelling of 4442001443521 in words is "four trillion, four hundred forty-two billion, one million, four hundred forty-three thousand, five hundred twenty-one".