44501168209 has 9 divisors (see below), whose sum is σ = 47276677137. Its totient is φ = 41880077184.

The previous prime is 44501168197. The next prime is 44501168273. The reversal of 44501168209 is 90286110544.

The square root of 44501168209 is 210953.

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

44501168209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4529963025 + 39971205184 = 67305^2 + 199928^2 .

It is not a de Polignac number, because 44501168209 - 2¹⁹ = 44500643921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44501168009) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3579997 + ... + 3592405.

Almost surely, 2^44501168209 is an apocalyptic number.

44501168209 is the 210953-rd square number.

44501168209 is the 105477-th centered octagonal number.

It is an amenable number.

44501168209 is a deficient number, since it is larger than the sum of its proper divisors (2775508928).

44501168209 is an frugal number, since it uses more digits than its factorization.

44501168209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24852 (or 12426 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 44501168209 in words is "forty-four billion, five hundred one million, one hundred sixty-eight thousand, two hundred nine".