42433232 has 40 divisors (see below), whose sum is σ = 87494400. Its totient is φ = 19878912.

The previous prime is 42433201. The next prime is 42433249. The reversal of 42433232 is 23233424.

42433232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 42433198 and 42433207.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 28769 + ... + 30207.

It is an arithmetic number, because the mean of its divisors is an integer number (2187360).

Almost surely, 2^42433232 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 42433232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43747200).

42433232 is an abundant number, since it is smaller than the sum of its proper divisors (45061168).

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

42433232 is a wasteful number, since it uses less digits than its factorization.

42433232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563 (or 1557 counting only the distinct ones).

The product of its digits is 3456, while the sum is 23.

The square root of 42433232 is about 6514.0795205462. The cubic root of 42433232 is about 348.7937577790.

Adding to 42433232 its reverse (23233424), we get a palindrome (65666656).

The spelling of 42433232 in words is "forty-two million, four hundred thirty-three thousand, two hundred thirty-two".