84442646220 has 48 divisors (see below), whose sum is σ = 237471934560. Its totient is φ = 22419703296.

The previous prime is 84442646213. The next prime is 84442646221. The reversal of 84442646220 is 2264624448.

It is not an unprimeable number, because it can be changed into a prime (84442646221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3059137 + ... + 3086616.

It is an arithmetic number, because the mean of its divisors is an integer number (4947331970).

Almost surely, 2^84442646220 is an apocalyptic number.

It is an amenable number.

84442646220 is an abundant number, since it is smaller than the sum of its proper divisors (153029288340).

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

84442646220 is a wasteful number, since it uses less digits than its factorization.

84442646220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6145994 (or 6145992 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 42.

The spelling of 84442646220 in words is "eighty-four billion, four hundred forty-two million, six hundred forty-six thousand, two hundred twenty".