442424532 has 48 divisors (see below), whose sum is σ = 1127673792. Its totient is φ = 133889280.

The previous prime is 442424531. The next prime is 442424581. The reversal of 442424532 is 235424244.

It is a self number, because there is not a number n which added to its sum of digits gives 442424532.

It is a congruent number.

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, 124038 + ... + 127554.

It is an arithmetic number, because the mean of its divisors is an integer number (23493204).

Almost surely, 2^442424532 is an apocalyptic number.

It is an amenable number.

442424532 is an abundant number, since it is smaller than the sum of its proper divisors (685249260).

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

442424532 is a wasteful number, since it uses less digits than its factorization.

442424532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4488 (or 4486 counting only the distinct ones).

The product of its digits is 30720, while the sum is 30.

The square root of 442424532 is about 21033.8900824360. The cubic root of 442424532 is about 761.9849612287.

Adding to 442424532 its reverse (235424244), we get a palindrome (677848776).

The spelling of 442424532 in words is "four hundred forty-two million, four hundred twenty-four thousand, five hundred thirty-two".