42642244220 has 24 divisors (see below), whose sum is σ = 89567847600. Its totient is φ = 17053252992.

The previous prime is 42642244199. The next prime is 42642244247. The reversal of 42642244220 is 2244224624.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 130850 + ... + 320009.

It is an arithmetic number, because the mean of its divisors is an integer number (3731993650).

Almost surely, 2^42642244220 is an apocalyptic number.

It is an amenable number.

42642244220 is an abundant number, since it is smaller than the sum of its proper divisors (46925603380).

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

42642244220 is a wasteful number, since it uses less digits than its factorization.

42642244220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455597 (or 455595 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 42642244220 its reverse (2244224624), we get a palindrome (44886468844).

The spelling of 42642244220 in words is "forty-two billion, six hundred forty-two million, two hundred forty-four thousand, two hundred twenty".