232542432 has 72 divisors (see below), whose sum is σ = 664392456. Its totient is φ = 77150976.

The previous prime is 232542421. The next prime is 232542437. The reversal of 232542432 is 234245232.

It is a happy number.

232542432 is a `hidden beast` number, since 232 + 5 + 424 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 232542396 and 232542405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232542437) 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 11 ways as a sum of consecutive naturals, for example, 63598 + ... + 67154.

It is an arithmetic number, because the mean of its divisors is an integer number (9227673).

Almost surely, 2^232542432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232542432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332196228).

232542432 is an abundant number, since it is smaller than the sum of its proper divisors (431850024).

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

232542432 is a wasteful number, since it uses less digits than its factorization.

232542432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3800 (or 3789 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 232542432 is about 15249.3420185921. The cubic root of 232542432 is about 614.9418783066.

Adding to 232542432 its reverse (234245232), we get a palindrome (466787664).

The spelling of 232542432 in words is "two hundred thirty-two million, five hundred forty-two thousand, four hundred thirty-two".