442334430 has 48 divisors (see below), whose sum is σ = 1164646080. Its totient is φ = 116460864.

The previous prime is 442334411. The next prime is 442334447. The reversal of 442334430 is 34433244.

It is a junction number, because it is equal to n+sod(n) for n = 442334394 and 442334403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23997 + ... + 38216.

It is an arithmetic number, because the mean of its divisors is an integer number (24263460).

Almost surely, 2^442334430 is an apocalyptic number.

442334430 is an abundant number, since it is smaller than the sum of its proper divisors (722311650).

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

442334430 is a wasteful number, since it uses less digits than its factorization.

442334430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62305 (or 62302 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

The square root of 442334430 is about 21031.7481441748. The cubic root of 442334430 is about 761.9332303493.

Adding to 442334430 its reverse (34433244), we get a palindrome (476767674).

The spelling of 442334430 in words is "four hundred forty-two million, three hundred thirty-four thousand, four hundred thirty".