42231322432 has 56 divisors (see below), whose sum is σ = 90847094912. Its totient is φ = 19362240000.

The previous prime is 42231322369. The next prime is 42231322433. The reversal of 42231322432 is 23422313224.

42231322432 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 42231322432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42231322433) 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, 42444 + ... + 293707.

It is an arithmetic number, because the mean of its divisors is an integer number (1622269552).

Almost surely, 2^42231322432 is an apocalyptic number.

It is an amenable number.

42231322432 is an abundant number, since it is smaller than the sum of its proper divisors (48615772480).

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

42231322432 is a wasteful number, since it uses less digits than its factorization.

42231322432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336327 (or 336317 counting only the distinct ones).

The product of its digits is 13824, while the sum is 28.

Adding to 42231322432 its reverse (23422313224), we get a palindrome (65653635656).

The spelling of 42231322432 in words is "forty-two billion, two hundred thirty-one million, three hundred twenty-two thousand, four hundred thirty-two".