442430012 has 6 divisors (see below), whose sum is σ = 774252528. Its totient is φ = 221215004.

The previous prime is 442429963. The next prime is 442430033. The reversal of 442430012 is 210034244.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 55303748 + ... + 55303755.

It is an arithmetic number, because the mean of its divisors is an integer number (129042088).

Almost surely, 2^442430012 is an apocalyptic number.

It is an amenable number.

442430012 is a deficient number, since it is larger than the sum of its proper divisors (331822516).

442430012 is a wasteful number, since it uses less digits than its factorization.

442430012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110607507 (or 110607505 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 442430012 is about 21034.0203479981. The cubic root of 442430012 is about 761.9881072721.

Adding to 442430012 its reverse (210034244), we get a palindrome (652464256).

The spelling of 442430012 in words is "four hundred forty-two million, four hundred thirty thousand, twelve".