42242032 has 40 divisors (see below), whose sum is σ = 94252896. Its totient is φ = 17965056.

The previous prime is 42242029. The next prime is 42242033. The reversal of 42242032 is 23024224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42242033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13968 + ... + 16720.

Almost surely, 2^42242032 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 42242032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47126448).

42242032 is an abundant number, since it is smaller than the sum of its proper divisors (52010864).

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

42242032 is a wasteful number, since it uses less digits than its factorization.

42242032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2905 (or 2899 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 42242032 is about 6499.3870480223. The cubic root of 42242032 is about 348.2690920859.

Adding to 42242032 its reverse (23024224), we get a palindrome (65266256).

The spelling of 42242032 in words is "forty-two million, two hundred forty-two thousand, thirty-two".