442443304133 has 8 divisors (see below), whose sum is σ = 444364643736. Its totient is φ = 440522156800.

The previous prime is 442443304099. The next prime is 442443304139. The reversal of 442443304133 is 331403344244.

It can be written as a sum of positive squares in 4 ways, for example, as 119617064449 + 322826239684 = 345857^2 + 568178^2 .

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 442443304133 - 2⁸ = 442443303877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 442443304093 and 442443304102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442443304139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6476273 + ... + 6544233.

It is an arithmetic number, because the mean of its divisors is an integer number (55545580467).

Almost surely, 2^442443304133 is an apocalyptic number.

It is an amenable number.

442443304133 is a deficient number, since it is larger than the sum of its proper divisors (1921339603).

442443304133 is a wasteful number, since it uses less digits than its factorization.

442443304133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96135.

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 442443304133 its reverse (331403344244), we get a palindrome (773846648377).

The spelling of 442443304133 in words is "four hundred forty-two billion, four hundred forty-three million, three hundred four thousand, one hundred thirty-three".