42063424 has 42 divisors (see below), whose sum is σ = 90407490. Its totient is φ = 19408896.

The previous prime is 42063421. The next prime is 42063433. The reversal of 42063424 is 42436024.

It can be written as a sum of positive squares in 3 ways, for example, as 589824 + 41473600 = 768^2 + 6440^2 .

It is not an unprimeable number, because it can be changed into a prime (42063421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8872 + ... + 12760.

Almost surely, 2^42063424 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 42063424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45203745).

42063424 is an abundant number, since it is smaller than the sum of its proper divisors (48344066).

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

42063424 is a wasteful number, since it uses less digits than its factorization.

42063424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3927 (or 3904 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 42063424 is about 6485.6321203102. The cubic root of 42063424 is about 347.7775475309. Note that the first 3 decimals are identical.

Adding to 42063424 its reverse (42436024), we get a palindrome (84499448).

The spelling of 42063424 in words is "forty-two million, sixty-three thousand, four hundred twenty-four".