442231244321 has 16 divisors (see below), whose sum is σ = 454467646080. Its totient is φ = 430154949120.

The previous prime is 442231244303. The next prime is 442231244327. The reversal of 442231244321 is 123442132244.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 442231244321 - 2¹⁴ = 442231227937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442231244327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43152020 + ... + 43162266.

It is an arithmetic number, because the mean of its divisors is an integer number (28404227880).

Almost surely, 2^442231244321 is an apocalyptic number.

It is an amenable number.

442231244321 is a deficient number, since it is larger than the sum of its proper divisors (12236401759).

442231244321 is a wasteful number, since it uses less digits than its factorization.

442231244321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17944.

The product of its digits is 36864, while the sum is 32.

Adding to 442231244321 its reverse (123442132244), we get a palindrome (565673376565).

The spelling of 442231244321 in words is "four hundred forty-two billion, two hundred thirty-one million, two hundred forty-four thousand, three hundred twenty-one".