42443012032 has 14 divisors (see below), whose sum is σ = 84222852128. Its totient is φ = 21221505984.

The previous prime is 42443012011. The next prime is 42443012047. The reversal of 42443012032 is 23021034424.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42443011988 and 42443012006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331585968 + ... + 331586095.

Almost surely, 2^42443012032 is an apocalyptic number.

It is an amenable number.

42443012032 is a deficient number, since it is larger than the sum of its proper divisors (41779840096).

42443012032 is an equidigital number, since it uses as much as digits as its factorization.

42443012032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663172075 (or 663172065 counting only the distinct ones).

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

Adding to 42443012032 its reverse (23021034424), we get a palindrome (65464046456).

The spelling of 42443012032 in words is "forty-two billion, four hundred forty-three million, twelve thousand, thirty-two".