42440113422 has 48 divisors (see below), whose sum is σ = 105734578560. Its totient is φ = 12051349776.

The previous prime is 42440113411. The next prime is 42440113447. The reversal of 42440113422 is 22431104424.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1012672 + ... + 1053747.

It is an arithmetic number, because the mean of its divisors is an integer number (2202803720).

Almost surely, 2^42440113422 is an apocalyptic number.

42440113422 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

42440113422 is an abundant number, since it is smaller than the sum of its proper divisors (63294465138).

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

42440113422 is a wasteful number, since it uses less digits than its factorization.

42440113422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066597 (or 2066594 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 42440113422 its reverse (22431104424), we get a palindrome (64871217846).

The spelling of 42440113422 in words is "forty-two billion, four hundred forty million, one hundred thirteen thousand, four hundred twenty-two".