442824132 has 48 divisors (see below), whose sum is σ = 1064709632. Its totient is φ = 143182080.

The previous prime is 442824091. The next prime is 442824157. The reversal of 442824132 is 231428244.

It is a self number, because there is not a number n which added to its sum of digits gives 442824132.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49293 + ... + 57579.

Almost surely, 2^442824132 is an apocalyptic number.

It is an amenable number.

442824132 is an abundant number, since it is smaller than the sum of its proper divisors (621885500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442824132 is a wasteful number, since it uses less digits than its factorization.

442824132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8428 (or 8426 counting only the distinct ones).

The product of its digits is 12288, while the sum is 30.

The square root of 442824132 is about 21043.3868946992. The cubic root of 442824132 is about 762.2143017093.

The spelling of 442824132 in words is "four hundred forty-two million, eight hundred twenty-four thousand, one hundred thirty-two".