442420044132 has 48 divisors (see below), whose sum is σ = 1126686339072. Its totient is φ = 134004034080.

The previous prime is 442420044127. The next prime is 442420044169. The reversal of 442420044132 is 231440024244.

It is a self number, because there is not a number n which added to its sum of digits gives 442420044132.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499128 + ... + 1064879.

It is an arithmetic number, because the mean of its divisors is an integer number (23472632064).

Almost surely, 2^442420044132 is an apocalyptic number.

It is an amenable number.

442420044132 is an abundant number, since it is smaller than the sum of its proper divisors (684266294940).

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

442420044132 is a wasteful number, since it uses less digits than its factorization.

442420044132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566168 (or 1566166 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 442420044132 its reverse (231440024244), we get a palindrome (673860068376).

The spelling of 442420044132 in words is "four hundred forty-two billion, four hundred twenty million, forty-four thousand, one hundred thirty-two".