42442422202420 has 24 divisors (see below), whose sum is σ = 89189268379848. Its totient is φ = 16965505689600.

The previous prime is 42442422202417. The next prime is 42442422202421. The reversal of 42442422202420 is 2420222424424.

It can be written as a sum of positive squares in 4 ways, for example, as 422234841616 + 42020187360804 = 649796^2 + 6482298^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42442422202421) 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, 716419101 + ... + 716478340.

It is an arithmetic number, because the mean of its divisors is an integer number (3716219515827).

Almost surely, 2^{42442422202420} is an apocalyptic number.

It is an amenable number.

42442422202420 is an abundant number, since it is smaller than the sum of its proper divisors (46746846177428).

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

42442422202420 is a wasteful number, since it uses less digits than its factorization.

42442422202420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432898931 (or 1432898929 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 34.

Adding to 42442422202420 its reverse (2420222424424), we get a palindrome (44862644626844).

The spelling of 42442422202420 in words is "forty-two trillion, four hundred forty-two billion, four hundred twenty-two million, two hundred two thousand, four hundred twenty".