444242221044 has 24 divisors (see below), whose sum is σ = 1036660873248. Its totient is φ = 148067070240.

The previous prime is 444242221019. The next prime is 444242221067. The reversal of 444242221044 is 440122242444.

It is a junction number, because it is equal to n+sod(n) for n = 444242220996 and 444242221014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1572927 + ... + 1833734.

It is an arithmetic number, because the mean of its divisors is an integer number (43194203052).

Almost surely, 2^444242221044 is an apocalyptic number.

It is an amenable number.

444242221044 is an abundant number, since it is smaller than the sum of its proper divisors (592418652204).

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

444242221044 is a wasteful number, since it uses less digits than its factorization.

444242221044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3417535 (or 3417533 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 33.

Adding to 444242221044 its reverse (440122242444), we get a palindrome (884364463488).

The spelling of 444242221044 in words is "four hundred forty-four billion, two hundred forty-two million, two hundred twenty-one thousand, forty-four".