2240204009 has 2 divisors, whose sum is σ = 2240204010. Its totient is φ = 2240204008.

The previous prime is 2240203967. The next prime is 2240204023. The reversal of 2240204009 is 9004020422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1324960000 + 915244009 = 36400^2 + 30253^2 .

It is a cyclic number.

It is not a de Polignac number, because 2240204009 - 2¹⁶ = 2240138473 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 (2240204069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120102004 + 1120102005.

It is an arithmetic number, because the mean of its divisors is an integer number (1120102005).

Almost surely, 2^2240204009 is an apocalyptic number.

It is an amenable number.

2240204009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2240204009 is an equidigital number, since it uses as much as digits as its factorization.

2240204009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2240204009 is about 47330.7934541562. The cubic root of 2240204009 is about 1308.4662447129.

The spelling of 2240204009 in words is "two billion, two hundred forty million, two hundred four thousand, nine".