4440140009 has 2 divisors, whose sum is σ = 4440140010. Its totient is φ = 4440140008.

The previous prime is 4440139999. The next prime is 4440140021. The reversal of 4440140009 is 9000410444.

4440140009 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4117147225 + 322992784 = 64165^2 + 17972^2 .

It is a cyclic number.

It is not a de Polignac number, because 4440140009 - 2¹² = 4440135913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4440140009.

It is not a weakly prime, because it can be changed into another prime (4440140099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2220070004 + 2220070005.

It is an arithmetic number, because the mean of its divisors is an integer number (2220070005).

Almost surely, 2^4440140009 is an apocalyptic number.

It is an amenable number.

4440140009 is a deficient number, since it is larger than the sum of its proper divisors (1).

4440140009 is an equidigital number, since it uses as much as digits as its factorization.

4440140009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 4440140009 is about 66634.3755804765. The cubic root of 4440140009 is about 1643.6104289075.

The spelling of 4440140009 in words is "four billion, four hundred forty million, one hundred forty thousand, nine".