442430507 has 8 divisors (see below), whose sum is σ = 462255360. Its totient is φ = 422654760.

The previous prime is 442430501. The next prime is 442430509. The reversal of 442430507 is 705034244.

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

It is a cyclic number.

It is not a de Polignac number, because 442430507 - 2⁸ = 442430251 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 442430507.

It is not an unprimeable number, because it can be changed into a prime (442430501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6794 + ... + 30512.

It is an arithmetic number, because the mean of its divisors is an integer number (57781920).

Almost surely, 2^442430507 is an apocalyptic number.

442430507 is a deficient number, since it is larger than the sum of its proper divisors (19824853).

442430507 is a wasteful number, since it uses less digits than its factorization.

442430507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24553.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 442430507 is about 21034.0321146470. The cubic root of 442430507 is about 761.9883914481.

The spelling of 442430507 in words is "four hundred forty-two million, four hundred thirty thousand, five hundred seven".