4404844161 has 9 divisors (see below), whose sum is σ = 6362840289. Its totient is φ = 2936430036.

The previous prime is 4404844153. The next prime is 4404844187. The reversal of 4404844161 is 1614484044.

The square root of 4404844161 is 66369.

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

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 4404844161 - 2³ = 4404844153 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4404844121) 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, 188046 + ... + 210168.

Almost surely, 2^4404844161 is an apocalyptic number.

4404844161 is the 66369-th square number.

4404844161 is the 33185-th centered octagonal number.

It is an amenable number.

4404844161 is a deficient number, since it is larger than the sum of its proper divisors (1957996128).

4404844161 is an frugal number, since it uses more digits than its factorization.

4404844161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44252 (or 22126 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The cubic root of 4404844161 is about 1639.2436727941.

Multiplying 4404844161 by its sum of digits (36), we get a square (158574389796 = 398214²).

It can be divided in two parts, 44048 and 44161, that added together give a square (88209 = 297²).

The spelling of 4404844161 in words is "four billion, four hundred four million, eight hundred forty-four thousand, one hundred sixty-one".