442424530 has 32 divisors (see below), whose sum is σ = 810154368. Its totient is φ = 173923200.

The previous prime is 442424483. The next prime is 442424531. The reversal of 442424530 is 35424244.

It is not an unprimeable number, because it can be changed into a prime (442424531) 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 15 ways as a sum of consecutive naturals, for example, 240715 + ... + 242545.

It is an arithmetic number, because the mean of its divisors is an integer number (25317324).

Almost surely, 2^442424530 is an apocalyptic number.

442424530 is a deficient number, since it is larger than the sum of its proper divisors (367729838).

442424530 is a wasteful number, since it uses less digits than its factorization.

442424530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242.

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

The square root of 442424530 is about 21033.8900348937. The cubic root of 442424530 is about 761.9849600805.

Adding to 442424530 its reverse (35424244), we get a palindrome (477848774).

The spelling of 442424530 in words is "four hundred forty-two million, four hundred twenty-four thousand, five hundred thirty".