42322432 has 40 divisors (see below), whose sum is σ = 85342752. Its totient is φ = 20966400.

The previous prime is 42322403. The next prime is 42322439. The reversal of 42322432 is 23422324.

It is not an unprimeable number, because it can be changed into a prime (42322439) 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, 66757 + ... + 67387.

Almost surely, 2^42322432 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 42322432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42671376).

42322432 is an abundant number, since it is smaller than the sum of its proper divisors (43020320).

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

42322432 is an equidigital number, since it uses as much as digits as its factorization.

42322432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780 (or 764 counting only the distinct ones).

The product of its digits is 2304, while the sum is 22.

The square root of 42322432 is about 6505.5693063713. The cubic root of 42322432 is about 348.4899076071.

Adding to 42322432 its reverse (23422324), we get a palindrome (65744756).

The spelling of 42322432 in words is "forty-two million, three hundred twenty-two thousand, four hundred thirty-two".