442352532 has 24 divisors (see below), whose sum is σ = 1054118016. Its totient is φ = 144313408.

The previous prime is 442352531. The next prime is 442352543. The reversal of 442352532 is 235253244.

It is a super-2 number, since 2×442352532² = 391351525133622048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 442352532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442352531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391593 + ... + 392720.

It is an arithmetic number, because the mean of its divisors is an integer number (43921584).

Almost surely, 2^442352532 is an apocalyptic number.

It is an amenable number.

442352532 is an abundant number, since it is smaller than the sum of its proper divisors (611765484).

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

442352532 is a wasteful number, since it uses less digits than its factorization.

442352532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784367 (or 784365 counting only the distinct ones).

The product of its digits is 28800, while the sum is 30.

The square root of 442352532 is about 21032.1784891627. The cubic root of 442352532 is about 761.9436239386.

The spelling of 442352532 in words is "four hundred forty-two million, three hundred fifty-two thousand, five hundred thirty-two".