4045994449 has 8 divisors (see below), whose sum is σ = 4626927360. Its totient is φ = 3465794976.

The previous prime is 4045994429. The next prime is 4045994473. The reversal of 4045994449 is 9444995404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4045994449 - 2⁹ = 4045993937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4045994396 and 4045994405.

It is not an unprimeable number, because it can be changed into a prime (4045994429) 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 7 ways as a sum of consecutive naturals, for example, 171484 + ... + 193645.

It is an arithmetic number, because the mean of its divisors is an integer number (578365920).

Almost surely, 2^4045994449 is an apocalyptic number.

It is an amenable number.

4045994449 is a deficient number, since it is larger than the sum of its proper divisors (580932911).

4045994449 is a wasteful number, since it uses less digits than its factorization.

4045994449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366719.

The product of its (nonzero) digits is 3732480, while the sum is 52.

The square root of 4045994449 is about 63608.1319408140. The cubic root of 4045994449 is about 1593.4621825223.

The spelling of 4045994449 in words is "four billion, forty-five million, nine hundred ninety-four thousand, four hundred forty-nine".