42442134343320 has 128 divisors (see below), whose sum is σ = 132938400407040. Its totient is φ = 10819621739520.

The previous prime is 42442134343253. The next prime is 42442134343321. The reversal of 42442134343320 is 2334343124424.

It is a happy number.

42442134343320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42442134343321) 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 31 ways as a sum of consecutive naturals, for example, 420580 + ... + 9222860.

It is an arithmetic number, because the mean of its divisors is an integer number (1038581253180).

Almost surely, 2^{42442134343320} is an apocalyptic number.

42442134343320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42442134343320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66469200203520).

42442134343320 is an abundant number, since it is smaller than the sum of its proper divisors (90496266063720).

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

42442134343320 is a wasteful number, since it uses less digits than its factorization.

42442134343320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8804065 (or 8804061 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 39.

Adding to 42442134343320 its reverse (2334343124424), we get a palindrome (44776477467744).

The spelling of 42442134343320 in words is "forty-two trillion, four hundred forty-two billion, one hundred thirty-four million, three hundred forty-three thousand, three hundred twenty".