442323200233422 has 128 divisors (see below), whose sum is σ = 1037393920742400. Its totient is φ = 139313919178368.

The previous prime is 442323200233417. The next prime is 442323200233423. The reversal of 442323200233422 is 224332002323244.

442323200233422 is a `hidden beast` number, since 4 + 4 + 2 + 3 + 2 + 3 + 200 + 23 + 3 + 422 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442323200233423) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4062167863 + ... + 4062276749.

It is an arithmetic number, because the mean of its divisors is an integer number (8104640005800).

Almost surely, 2^{442323200233422} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442323200233422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518696960371200).

442323200233422 is an abundant number, since it is smaller than the sum of its proper divisors (595070720508978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442323200233422 is a wasteful number, since it uses less digits than its factorization.

442323200233422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119287 (or 119281 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 36.

Adding to 442323200233422 its reverse (224332002323244), we get a palindrome (666655202556666).

The spelling of 442323200233422 in words is "four hundred forty-two trillion, three hundred twenty-three billion, two hundred million, two hundred thirty-three thousand, four hundred twenty-two".