444222644660 has 24 divisors (see below), whose sum is σ = 932899838976. Its totient is φ = 177682908320.

The previous prime is 444222644639. The next prime is 444222644689. The reversal of 444222644660 is 66446222444.

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 7 ways as a sum of consecutive naturals, for example, 232109 + ... + 970731.

It is an arithmetic number, because the mean of its divisors is an integer number (38870826624).

Almost surely, 2^444222644660 is an apocalyptic number.

It is an amenable number.

444222644660 is an abundant number, since it is smaller than the sum of its proper divisors (488677194316).

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

444222644660 is a wasteful number, since it uses less digits than its factorization.

444222644660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768703 (or 768701 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 44.

The spelling of 444222644660 in words is "four hundred forty-four billion, two hundred twenty-two million, six hundred forty-four thousand, six hundred sixty".