442244422044 has 36 divisors (see below), whose sum is σ = 1128963905160. Its totient is φ = 145955253600.

The previous prime is 442244422031. The next prime is 442244422063. The reversal of 442244422044 is 440224442244.

442244422044 is a `hidden beast` number, since 4 + 4 + 2 + 2 + 4 + 442 + 204 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 60811054 + ... + 60818325.

Almost surely, 2^442244422044 is an apocalyptic number.

It is an amenable number.

442244422044 is an abundant number, since it is smaller than the sum of its proper divisors (686719483116).

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

442244422044 is a wasteful number, since it uses less digits than its factorization.

442244422044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121629490 (or 121629485 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 36.

Adding to 442244422044 its reverse (440224442244), we get a palindrome (882468864288).

The spelling of 442244422044 in words is "four hundred forty-two billion, two hundred forty-four million, four hundred twenty-two thousand, forty-four".