4440401800169 has 4 divisors (see below), whose sum is σ = 4440615826500. Its totient is φ = 4440187773840.

The previous prime is 4440401800151. The next prime is 4440401800193. The reversal of 4440401800169 is 9610081040444.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 619502797225 + 3820899002944 = 787085^2 + 1954712^2 .

It is a cyclic number.

It is not a de Polignac number, because 4440401800169 - 2²⁰ = 4440400751593 is a prime.

It is a super-2 number, since 2×4440401800169² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4440401800129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106982042 + ... + 107023539.

It is an arithmetic number, because the mean of its divisors is an integer number (1110153956625).

Almost surely, 2^{4440401800169} is an apocalyptic number.

It is an amenable number.

4440401800169 is a deficient number, since it is larger than the sum of its proper divisors (214026331).

4440401800169 is a wasteful number, since it uses less digits than its factorization.

4440401800169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214026330.

The product of its (nonzero) digits is 110592, while the sum is 41.

The spelling of 4440401800169 in words is "four trillion, four hundred forty billion, four hundred one million, eight hundred thousand, one hundred sixty-nine".