42244131340 has 24 divisors (see below), whose sum is σ = 89308069200. Its totient is φ = 16784244288.

The previous prime is 42244131311. The next prime is 42244131343. The reversal of 42244131340 is 4313144224.

It is a junction number, because it is equal to n+sod(n) for n = 42244131299 and 42244131308.

It is not an unprimeable number, because it can be changed into a prime (42244131343) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7084962 + ... + 7090921.

It is an arithmetic number, because the mean of its divisors is an integer number (3721169550).

Almost surely, 2^42244131340 is an apocalyptic number.

It is an amenable number.

42244131340 is an abundant number, since it is smaller than the sum of its proper divisors (47063937860).

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

42244131340 is a wasteful number, since it uses less digits than its factorization.

42244131340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14176041 (or 14176039 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 42244131340 its reverse (4313144224), we get a palindrome (46557275564).

The spelling of 42244131340 in words is "forty-two billion, two hundred forty-four million, one hundred thirty-one thousand, three hundred forty".