442630635 has 16 divisors (see below), whose sum is σ = 709463040. Its totient is φ = 235651680.

The previous prime is 442630619. The next prime is 442630637. The reversal of 442630635 is 536036244.

It is not a de Polignac number, because 442630635 - 2⁴ = 442630619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 442630596 and 442630605.

It is not an unprimeable number, because it can be changed into a prime (442630637) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 17275 + ... + 34404.

It is an arithmetic number, because the mean of its divisors is an integer number (44341440).

Almost surely, 2^442630635 is an apocalyptic number.

442630635 is a deficient number, since it is larger than the sum of its proper divisors (266832405).

442630635 is a wasteful number, since it uses less digits than its factorization.

442630635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52258.

The product of its (nonzero) digits is 51840, while the sum is 33.

The square root of 442630635 is about 21038.7888197016. The cubic root of 442630635 is about 762.1032661558.

Adding to 442630635 its reverse (536036244), we get a palindrome (978666879).

The spelling of 442630635 in words is "four hundred forty-two million, six hundred thirty thousand, six hundred thirty-five".