42440240420202 has 8 divisors (see below), whose sum is σ = 84880480840416. Its totient is φ = 14146746806732.

The previous prime is 42440240420191. The next prime is 42440240420243. The reversal of 42440240420202 is 20202404204424.

It is a happy number.

42440240420202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

42440240420202 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 42440240420202.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3536686701678 + ... + 3536686701689.

It is an arithmetic number, because the mean of its divisors is an integer number (10610060105052).

Almost surely, 2^{42440240420202} is an apocalyptic number.

42440240420202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42440240420202 is a wasteful number, since it uses less digits than its factorization.

42440240420202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7073373403372.

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

Adding to 42440240420202 its reverse (20202404204424), we get a palindrome (62642644624626).

The spelling of 42440240420202 in words is "forty-two trillion, four hundred forty billion, two hundred forty million, four hundred twenty thousand, two hundred two".