42320224432 has 20 divisors (see below), whose sum is σ = 81999454576. Its totient is φ = 21159074880.

The previous prime is 42320224417. The next prime is 42320224459. The reversal of 42320224432 is 23442202324.

It is a happy number.

42320224432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 42320224432.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353557 + ... + 457867.

Almost surely, 2^42320224432 is an apocalyptic number.

It is an amenable number.

42320224432 is a deficient number, since it is larger than the sum of its proper divisors (39679230144).

42320224432 is a wasteful number, since it uses less digits than its factorization.

42320224432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129676 (or 129670 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 42320224432 its reverse (23442202324), we get a palindrome (65762426756).

The spelling of 42320224432 in words is "forty-two billion, three hundred twenty million, two hundred twenty-four thousand, four hundred thirty-two".