442423222430 has 64 divisors (see below), whose sum is σ = 934895336832. Its totient is φ = 147561523200.

The previous prime is 442423222411. The next prime is 442423222433. The reversal of 442423222430 is 34222324244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442423222433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18576530 + ... + 18600330.

It is an arithmetic number, because the mean of its divisors is an integer number (14607739638).

Almost surely, 2^442423222430 is an apocalyptic number.

442423222430 is an abundant number, since it is smaller than the sum of its proper divisors (492472114402).

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

442423222430 is a wasteful number, since it uses less digits than its factorization.

442423222430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31029.

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 442423222430 its reverse (34222324244), we get a palindrome (476645546674).

The spelling of 442423222430 in words is "four hundred forty-two billion, four hundred twenty-three million, two hundred twenty-two thousand, four hundred thirty".