4143440201 has 4 divisors (see below), whose sum is σ = 4221618372. Its totient is φ = 4065262032.

The previous prime is 4143440177. The next prime is 4143440207. The reversal of 4143440201 is 1020443414.

It is a happy number.

4143440201 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 3687404176 + 456036025 = 60724^2 + 21355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4143440201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4143440207) 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, 39089006 + ... + 39089111.

It is an arithmetic number, because the mean of its divisors is an integer number (1055404593).

Almost surely, 2^4143440201 is an apocalyptic number.

It is an amenable number.

4143440201 is a deficient number, since it is larger than the sum of its proper divisors (78178171).

4143440201 is an equidigital number, since it uses as much as digits as its factorization.

4143440201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78178170.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 4143440201 is about 64369.5595837038. The cubic root of 4143440201 is about 1606.1534138534.

Adding to 4143440201 its reverse (1020443414), we get a palindrome (5163883615).

The spelling of 4143440201 in words is "four billion, one hundred forty-three million, four hundred forty thousand, two hundred one".