442324230 has 64 divisors (see below), whose sum is σ = 1097141760. Its totient is φ = 114057216.

The previous prime is 442324219. The next prime is 442324261. The reversal of 442324230 is 32423244.

It is a self number, because there is not a number n which added to its sum of digits gives 442324230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131206 + ... + 134534.

It is an arithmetic number, because the mean of its divisors is an integer number (17142840).

Almost surely, 2^442324230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442324230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (548570880).

442324230 is an abundant number, since it is smaller than the sum of its proper divisors (654817530).

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

442324230 is a wasteful number, since it uses less digits than its factorization.

442324230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3485.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 442324230 is about 21031.5056522352. The cubic root of 442324230 is about 761.9273737107.

Adding to 442324230 its reverse (32423244), we get a palindrome (474747474).

The spelling of 442324230 in words is "four hundred forty-two million, three hundred twenty-four thousand, two hundred thirty".