42440200220442 has 16 divisors (see below), whose sum is σ = 84880465608960. Its totient is φ = 14146722545472.

The previous prime is 42440200220389. The next prime is 42440200220449. The reversal of 42440200220442 is 24402200204424.

It is a happy number.

42440200220442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42440200220449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11376034 + ... + 14638802.

It is an arithmetic number, because the mean of its divisors is an integer number (5305029100560).

Almost surely, 2^{42440200220442} is an apocalyptic number.

42440200220442 is an abundant number, since it is smaller than the sum of its proper divisors (42440265388518).

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

42440200220442 is a wasteful number, since it uses less digits than its factorization.

42440200220442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5430677.

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

Adding to 42440200220442 its reverse (24402200204424), we get a palindrome (66842400424866).

The spelling of 42440200220442 in words is "forty-two trillion, four hundred forty billion, two hundred million, two hundred twenty thousand, four hundred forty-two".