42032232 has 96 divisors (see below), whose sum is σ = 126060480. Its totient is φ = 12545280.

The previous prime is 42032231. The next prime is 42032273. The reversal of 42032232 is 23223024.

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

It is not an unprimeable number, because it can be changed into a prime (42032231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57453 + ... + 58179.

It is an arithmetic number, because the mean of its divisors is an integer number (1313130).

Almost surely, 2^42032232 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 42032232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63030240).

42032232 is an abundant number, since it is smaller than the sum of its proper divisors (84028248).

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

42032232 is a wasteful number, since it uses less digits than its factorization.

42032232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823 (or 816 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 42032232 is about 6483.2269742775. The cubic root of 42032232 is about 347.6915618238.

Adding to 42032232 its reverse (23223024), we get a palindrome (65255256).

The spelling of 42032232 in words is "forty-two million, thirty-two thousand, two hundred thirty-two".