44004671668138 has 8 divisors (see below), whose sum is σ = 66802272653088. Its totient is φ = 21737247450444.

The previous prime is 44004671668121. The next prime is 44004671668169. The reversal of 44004671668138 is 83186617640044.

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

It is a super-2 number, since 2×44004671668138² (a number of 28 digits) contains 22 as substring.

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, 132544191606 + ... + 132544191937.

It is an arithmetic number, because the mean of its divisors is an integer number (8350284081636).

Almost surely, 2^{44004671668138} is an apocalyptic number.

44004671668138 is a deficient number, since it is larger than the sum of its proper divisors (22797600984950).

44004671668138 is a wasteful number, since it uses less digits than its factorization.

44004671668138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265088383628.

The product of its (nonzero) digits is 18579456, while the sum is 58.

The spelling of 44004671668138 in words is "forty-four trillion, four billion, six hundred seventy-one million, six hundred sixty-eight thousand, one hundred thirty-eight".