42243402232 has 16 divisors (see below), whose sum is σ = 79242075000. Its totient is φ = 21112182240.

The previous prime is 42243402217. The next prime is 42243402233. The reversal of 42243402232 is 23220434224.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42243402232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42243402233) 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, 1170982 + ... + 1206517.

Almost surely, 2^42243402232 is an apocalyptic number.

It is an amenable number.

42243402232 is a deficient number, since it is larger than the sum of its proper divisors (36998672768).

42243402232 is a wasteful number, since it uses less digits than its factorization.

42243402232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2379726 (or 2379722 counting only the distinct ones).

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

Adding to 42243402232 its reverse (23220434224), we get a palindrome (65463836456).

The spelling of 42243402232 in words is "forty-two billion, two hundred forty-three million, four hundred two thousand, two hundred thirty-two".