4044400243 has 16 divisors (see below), whose sum is σ = 4451844096. Its totient is φ = 3650850720.

The previous prime is 4044400229. The next prime is 4044400259. The reversal of 4044400243 is 3420044404.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4044400243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4044400543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1112038 + ... + 1115668.

It is an arithmetic number, because the mean of its divisors is an integer number (278240256).

Almost surely, 2^4044400243 is an apocalyptic number.

4044400243 is a deficient number, since it is larger than the sum of its proper divisors (407443853).

4044400243 is a wasteful number, since it uses less digits than its factorization.

4044400243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5514.

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 4044400243 is about 63595.5992424004. The cubic root of 4044400243 is about 1593.2528692766.

Adding to 4044400243 its reverse (3420044404), we get a palindrome (7464444647).

The spelling of 4044400243 in words is "four billion, forty-four million, four hundred thousand, two hundred forty-three".