442010321430 has 128 divisors (see below), whose sum is σ = 1087408143360. Its totient is φ = 114958725120.

The previous prime is 442010321429. The next prime is 442010321453. The reversal of 442010321430 is 34123010244.

It is a self number, because there is not a number n which added to its sum of digits gives 442010321430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 80057070 + ... + 80062590.

It is an arithmetic number, because the mean of its divisors is an integer number (8495376120).

Almost surely, 2^442010321430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442010321430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (543704071680).

442010321430 is an abundant number, since it is smaller than the sum of its proper divisors (645397821930).

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

442010321430 is a wasteful number, since it uses less digits than its factorization.

442010321430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6006.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 442010321430 its reverse (34123010244), we get a palindrome (476133331674).

The spelling of 442010321430 in words is "four hundred forty-two billion, ten million, three hundred twenty-one thousand, four hundred thirty".