44444448888891 has 8 divisors (see below), whose sum is σ = 59260045185600. Its totient is φ = 29629242592392.

The previous prime is 44444448888887. The next prime is 44444448888899. The reversal of 44444448888891 is 19888884444444.

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

It is not a de Polignac number, because 44444448888891 - 2² = 44444448888887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44444448888899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97234041 + ... + 97690058.

It is an arithmetic number, because the mean of its divisors is an integer number (7407505648200).

Almost surely, 2^{44444448888891} is an apocalyptic number.

44444448888891 is a deficient number, since it is larger than the sum of its proper divisors (14815596296709).

44444448888891 is a wasteful number, since it uses less digits than its factorization.

44444448888891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195000105.

The product of its digits is 4831838208, while the sum is 78.

The spelling of 44444448888891 in words is "forty-four trillion, four hundred forty-four billion, four hundred forty-eight million, eight hundred eighty-eight thousand, eight hundred ninety-one".