44198789279089 has 27 divisors (see below), whose sum is σ = 45095212412427. Its totient is φ = 43320101086416.

The previous prime is 44198789279081. The next prime is 44198789279201. The reversal of 44198789279089 is 98097298789144.

The square root of 44198789279089 is 6648217.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 40205554416225 + 3993234862864 = 6340785^2 + 1998308^2 .

It is not a de Polignac number, because 44198789279089 - 2³ = 44198789279081 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44198789278997 and 44198789279015.

It is not an unprimeable number, because it can be changed into a prime (44198789279081) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 95461747672 + ... + 95461748134.

Almost surely, 2^{44198789279089} is an apocalyptic number.

44198789279089 is the 6648217-th square number.

44198789279089 is the 3324109-th centered octagonal number.

It is an amenable number.

44198789279089 is a deficient number, since it is larger than the sum of its proper divisors (896423133338).

44198789279089 is an frugal number, since it uses more digits than its factorization.

44198789279089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438 (or 719 counting only the distinct ones).

The product of its (nonzero) digits is 5267275776, while the sum is 85.

The spelling of 44198789279089 in words is "forty-four trillion, one hundred ninety-eight billion, seven hundred eighty-nine million, two hundred seventy-nine thousand, eighty-nine".