444204241421 has 8 divisors (see below), whose sum is σ = 450870796800. Its totient is φ = 437563779120.

The previous prime is 444204241339. The next prime is 444204241489. The reversal of 444204241421 is 124142402444.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444204241421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444204211421) 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, 6488966 + ... + 6557063.

It is an arithmetic number, because the mean of its divisors is an integer number (56358849600).

Almost surely, 2^444204241421 is an apocalyptic number.

It is an amenable number.

444204241421 is a deficient number, since it is larger than the sum of its proper divisors (6666555379).

444204241421 is a wasteful number, since it uses less digits than its factorization.

444204241421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13046539.

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

Adding to 444204241421 its reverse (124142402444), we get a palindrome (568346643865).

The spelling of 444204241421 in words is "four hundred forty-four billion, two hundred four million, two hundred forty-one thousand, four hundred twenty-one".