2440032209 has 2 divisors, whose sum is σ = 2440032210. Its totient is φ = 2440032208.

The previous prime is 2440032169. The next prime is 2440032263. The reversal of 2440032209 is 9022300442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2387788225 + 52243984 = 48865^2 + 7228^2 .

It is a cyclic number.

It is not a de Polignac number, because 2440032209 - 2²⁸ = 2171596753 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2440035209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1220016104 + 1220016105.

It is an arithmetic number, because the mean of its divisors is an integer number (1220016105).

Almost surely, 2^2440032209 is an apocalyptic number.

It is an amenable number.

2440032209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2440032209 is an equidigital number, since it uses as much as digits as its factorization.

2440032209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 2440032209 is about 49396.6821659107. The cubic root of 2440032209 is about 1346.2690231685.

The spelling of 2440032209 in words is "two billion, four hundred forty million, thirty-two thousand, two hundred nine".