442412421233 has 8 divisors (see below), whose sum is σ = 451862047488. Its totient is φ = 432964319904.

The previous prime is 442412421221. The next prime is 442412421239. The reversal of 442412421233 is 332124214244.

It is a happy number.

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 442412421233 - 2²⁰ = 442411372657 is a prime.

It is a super-2 number, since 2×442412421233² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 442412421233.

It is not an unprimeable number, because it can be changed into a prime (442412421239) 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, 215060 + ... + 964922.

It is an arithmetic number, because the mean of its divisors is an integer number (56482755936).

Almost surely, 2^442412421233 is an apocalyptic number.

It is an amenable number.

442412421233 is a deficient number, since it is larger than the sum of its proper divisors (9449626255).

442412421233 is a wasteful number, since it uses less digits than its factorization.

442412421233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762463.

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

Adding to 442412421233 its reverse (332124214244), we get a palindrome (774536635477).

The spelling of 442412421233 in words is "four hundred forty-two billion, four hundred twelve million, four hundred twenty-one thousand, two hundred thirty-three".