4440808399 has 4 divisors (see below), whose sum is σ = 4441117464. Its totient is φ = 4440499336.

The previous prime is 4440808381. The next prime is 4440808409. The reversal of 4440808399 is 9938080444.

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

It is a cyclic number.

It is not a de Polignac number, because 4440808399 - 2¹³ = 4440800207 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4440808369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131872 + ... + 162085.

It is an arithmetic number, because the mean of its divisors is an integer number (1110279366).

Almost surely, 2^4440808399 is an apocalyptic number.

4440808399 is a deficient number, since it is larger than the sum of its proper divisors (309065).

4440808399 is a wasteful number, since it uses less digits than its factorization.

4440808399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309064.

The product of its (nonzero) digits is 995328, while the sum is 49.

The square root of 4440808399 is about 66639.3907460145. The cubic root of 4440808399 is about 1643.6928976024.

The spelling of 4440808399 in words is "four billion, four hundred forty million, eight hundred eight thousand, three hundred ninety-nine".