42244220442 has 16 divisors (see below), whose sum is σ = 85055479200. Its totient is φ = 13986900432.

The previous prime is 42244220377. The next prime is 42244220449. The reversal of 42244220442 is 24402244224.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42244220449) 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, 23625628 + ... + 23627415.

It is an arithmetic number, because the mean of its divisors is an integer number (5315967450).

Almost surely, 2^42244220442 is an apocalyptic number.

42244220442 is an abundant number, since it is smaller than the sum of its proper divisors (42811258758).

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

42244220442 is a wasteful number, since it uses less digits than its factorization.

42244220442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47253197.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 42244220442 its reverse (24402244224), we get a palindrome (66646464666).

The spelling of 42244220442 in words is "forty-two billion, two hundred forty-four million, two hundred twenty thousand, four hundred forty-two".