42330132 has 72 divisors (see below), whose sum is σ = 116188800. Its totient is φ = 12916800.

The previous prime is 42330107. The next prime is 42330149. The reversal of 42330132 is 23103324.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70369 + ... + 70967.

Almost surely, 2^42330132 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 42330132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58094400).

42330132 is an abundant number, since it is smaller than the sum of its proper divisors (73858668).

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

42330132 is a wasteful number, since it uses less digits than its factorization.

42330132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773 (or 768 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 42330132 is about 6506.1610800840. The cubic root of 42330132 is about 348.5110406835.

Adding to 42330132 its reverse (23103324), we get a palindrome (65433456).

The spelling of 42330132 in words is "forty-two million, three hundred thirty thousand, one hundred thirty-two".