442435132 has 12 divisors (see below), whose sum is σ = 819806400. Its totient is φ = 208204736.

The previous prime is 442435129. The next prime is 442435157. The reversal of 442435132 is 231534244.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 442435132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3253132 + ... + 3253267.

It is an arithmetic number, because the mean of its divisors is an integer number (68317200).

Almost surely, 2^442435132 is an apocalyptic number.

It is an amenable number.

442435132 is a deficient number, since it is larger than the sum of its proper divisors (377371268).

442435132 is a wasteful number, since it uses less digits than its factorization.

442435132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6506420 (or 6506418 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 442435132 is about 21034.1420552396. The cubic root of 442435132 is about 761.9910466176.

Adding to 442435132 its reverse (231534244), we get a palindrome (673969376).

The spelling of 442435132 in words is "four hundred forty-two million, four hundred thirty-five thousand, one hundred thirty-two".