240143404009 has 2 divisors, whose sum is σ = 240143404010. Its totient is φ = 240143404008.

The previous prime is 240143403961. The next prime is 240143404031. The reversal of 240143404009 is 900404341042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 239556408025 + 586995984 = 489445^2 + 24228^2 .

It is a cyclic number.

It is not a de Polignac number, because 240143404009 - 2⁹ = 240143403497 is a prime.

It is not a weakly prime, because it can be changed into another prime (240143404079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120071702004 + 120071702005.

It is an arithmetic number, because the mean of its divisors is an integer number (120071702005).

Almost surely, 2^240143404009 is an apocalyptic number.

It is an amenable number.

240143404009 is a deficient number, since it is larger than the sum of its proper divisors (1).

240143404009 is an equidigital number, since it uses as much as digits as its factorization.

240143404009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 240143404009 in words is "two hundred forty billion, one hundred forty-three million, four hundred four thousand, nine".