42442020044420 has 48 divisors (see below), whose sum is σ = 89214154444800. Its totient is φ = 16960448045184.

The previous prime is 42442020044371. The next prime is 42442020044441. The reversal of 42442020044420 is 2444002024424.

42442020044420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 163129277 + ... + 163389243.

It is an arithmetic number, because the mean of its divisors is an integer number (1858628217600).

Almost surely, 2^{42442020044420} is an apocalyptic number.

It is an amenable number.

42442020044420 is an abundant number, since it is smaller than the sum of its proper divisors (46772134400380).

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

42442020044420 is a wasteful number, since it uses less digits than its factorization.

42442020044420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267812 (or 267810 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 42442020044420 its reverse (2444002024424), we get a palindrome (44886022068844).

The spelling of 42442020044420 in words is "forty-two trillion, four hundred forty-two billion, twenty million, forty-four thousand, four hundred twenty".