4444020421241 has 4 divisors (see below), whose sum is σ = 4448407411812. Its totient is φ = 4439633430672.

The previous prime is 4444020421207. The next prime is 4444020421387. The reversal of 4444020421241 is 1421240204444.

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

It can be written as a sum of positive squares in 2 ways, for example, as 229724655616 + 4214295765625 = 479296^2 + 2052875^2 .

It is a cyclic number.

It is not a de Polignac number, because 4444020421241 - 2²⁶ = 4443953312377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4444020421198 and 4444020421207.

It is not an unprimeable number, because it can be changed into a prime (4444020421741) 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 3 ways as a sum of consecutive naturals, for example, 2193493766 + ... + 2193495791.

It is an arithmetic number, because the mean of its divisors is an integer number (1112101852953).

Almost surely, 2^{4444020421241} is an apocalyptic number.

It is an amenable number.

4444020421241 is a deficient number, since it is larger than the sum of its proper divisors (4386990571).

4444020421241 is a wasteful number, since it uses less digits than its factorization.

4444020421241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4386990570.

The product of its (nonzero) digits is 32768, while the sum is 32.

Adding to 4444020421241 its reverse (1421240204444), we get a palindrome (5865260625685).

The spelling of 4444020421241 in words is "four trillion, four hundred forty-four billion, twenty million, four hundred twenty-one thousand, two hundred forty-one".