44021664206 has 8 divisors (see below), whose sum is σ = 71111919144. Its totient is φ = 20317691160.

The previous prime is 44021664163. The next prime is 44021664227. The reversal of 44021664206 is 60246612044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×44021664206² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 846570440 + ... + 846570491.

It is an arithmetic number, because the mean of its divisors is an integer number (8888989893).

Almost surely, 2^44021664206 is an apocalyptic number.

44021664206 is a deficient number, since it is larger than the sum of its proper divisors (27090254938).

44021664206 is a wasteful number, since it uses less digits than its factorization.

44021664206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693140946.

The product of its (nonzero) digits is 55296, while the sum is 35.

The spelling of 44021664206 in words is "forty-four billion, twenty-one million, six hundred sixty-four thousand, two hundred six".