442432432422 has 128 divisors (see below), whose sum is σ = 1048020664320. Its totient is φ = 138059903520.

The previous prime is 442432432391. The next prime is 442432432457. The reversal of 442432432422 is 224234234244.

442432432422 is a `hidden beast` number, since 4 + 4 + 2 + 4 + 324 + 324 + 2 + 2 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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, 11010147 + ... + 11050257.

It is an arithmetic number, because the mean of its divisors is an integer number (8187661440).

Almost surely, 2^442432432422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442432432422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (524010332160).

442432432422 is an abundant number, since it is smaller than the sum of its proper divisors (605588231898).

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

442432432422 is a wasteful number, since it uses less digits than its factorization.

442432432422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40335 (or 40329 counting only the distinct ones).

The product of its digits is 294912, while the sum is 36.

Adding to 442432432422 its reverse (224234234244), we get a palindrome (666666666666).

The spelling of 442432432422 in words is "four hundred forty-two billion, four hundred thirty-two million, four hundred thirty-two thousand, four hundred twenty-two".