442233143000 has 128 divisors (see below), whose sum is σ = 1148036198400. Its totient is φ = 158086192000.

The previous prime is 442233142997. The next prime is 442233143063. The reversal of 442233143000 is 341332244.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 308297 + ... + 989703.

It is an arithmetic number, because the mean of its divisors is an integer number (8969032800).

Almost surely, 2^442233143000 is an apocalyptic number.

442233143000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442233143000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (574018099200).

442233143000 is an abundant number, since it is smaller than the sum of its proper divisors (705803055400).

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

442233143000 is a wasteful number, since it uses less digits than its factorization.

442233143000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681498 (or 681484 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 442233143000 its reverse (341332244), we get a palindrome (442574475244).

The spelling of 442233143000 in words is "four hundred forty-two billion, two hundred thirty-three million, one hundred forty-three thousand".