42330432 has 28 divisors (see below), whose sum is σ = 111999776. Its totient is φ = 14110080.

The previous prime is 42330427. The next prime is 42330439. The reversal of 42330432 is 23403324.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 42330399 and 42330408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42330439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110044 + ... + 110427.

It is an arithmetic number, because the mean of its divisors is an integer number (3999992).

Almost surely, 2^42330432 is an apocalyptic number.

It is an amenable number.

42330432 is an abundant number, since it is smaller than the sum of its proper divisors (69669344).

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

42330432 is a wasteful number, since it uses less digits than its factorization.

42330432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220486 (or 220476 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 42330432 is about 6506.1841351133. The cubic root of 42330432 is about 348.5118639982.

Adding to 42330432 its reverse (23403324), we get a palindrome (65733756).

The spelling of 42330432 in words is "forty-two million, three hundred thirty thousand, four hundred thirty-two".