442024345 has 24 divisors (see below), whose sum is σ = 625745088. Its totient is φ = 298821600.

The previous prime is 442024339. The next prime is 442024357. The reversal of 442024345 is 543420244.

It is not a de Polignac number, because 442024345 - 2⁵ = 442024313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4690 + ... + 30100.

It is an arithmetic number, because the mean of its divisors is an integer number (26072712).

Almost surely, 2^442024345 is an apocalyptic number.

It is an amenable number.

442024345 is a deficient number, since it is larger than the sum of its proper divisors (183720743).

442024345 is a wasteful number, since it uses less digits than its factorization.

442024345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25501 (or 25494 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 442024345 is about 21024.3750204376. The cubic root of 442024345 is about 761.7551454135.

Adding to 442024345 its reverse (543420244), we get a palindrome (985444589).

The spelling of 442024345 in words is "four hundred forty-two million, twenty-four thousand, three hundred forty-five".