42004442220 has 48 divisors (see below), whose sum is σ = 126659551200. Its totient is φ = 10339554816.

The previous prime is 42004442213. The next prime is 42004442269. The reversal of 42004442220 is 2224440024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26925145 + ... + 26926704.

It is an arithmetic number, because the mean of its divisors is an integer number (2638740650).

Almost surely, 2^42004442220 is an apocalyptic number.

It is an amenable number.

42004442220 is an abundant number, since it is smaller than the sum of its proper divisors (84655108980).

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

42004442220 is a wasteful number, since it uses less digits than its factorization.

42004442220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53851874 (or 53851872 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 42004442220 its reverse (2224440024), we get a palindrome (44228882244).

It can be divided in two parts, 420044 and 42220, that added together give a palindrome (462264).

The spelling of 42004442220 in words is "forty-two billion, four million, four hundred forty-two thousand, two hundred twenty".