442641230 has 8 divisors (see below), whose sum is σ = 796754232. Its totient is φ = 177056488.

The previous prime is 442641229. The next prime is 442641259. The reversal of 442641230 is 32146244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 442641230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22132052 + ... + 22132071.

It is an arithmetic number, because the mean of its divisors is an integer number (99594279).

Almost surely, 2^442641230 is an apocalyptic number.

442641230 is a deficient number, since it is larger than the sum of its proper divisors (354113002).

442641230 is a wasteful number, since it uses less digits than its factorization.

442641230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44264130.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 442641230 is about 21039.0406150090. The cubic root of 442641230 is about 762.1093467860.

Adding to 442641230 its reverse (32146244), we get a palindrome (474787474).

The spelling of 442641230 in words is "four hundred forty-two million, six hundred forty-one thousand, two hundred thirty".