4044400001 has 4 divisors (see below), whose sum is σ = 4183862100. Its totient is φ = 3904937904.

The previous prime is 4044399991. The next prime is 4044400049. The reversal of 4044400001 is 1000044404.

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 1728480625 + 2315919376 = 41575^2 + 48124^2 .

It is a cyclic number.

It is not a de Polignac number, because 4044400001 - 2¹⁴ = 4044383617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4044400601) 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, 69731006 + ... + 69731063.

It is an arithmetic number, because the mean of its divisors is an integer number (1045965525).

Almost surely, 2^4044400001 is an apocalyptic number.

It is an amenable number.

4044400001 is a deficient number, since it is larger than the sum of its proper divisors (139462099).

4044400001 is a wasteful number, since it uses less digits than its factorization.

4044400001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139462098.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 4044400001 is about 63595.5973397530. The cubic root of 4044400001 is about 1593.2528374988.

Adding to 4044400001 its reverse (1000044404), we get a palindrome (5044444405).

The spelling of 4044400001 in words is "four billion, forty-four million, four hundred thousand, one".