1040200200409 has 2 divisors, whose sum is σ = 1040200200410. Its totient is φ = 1040200200408.

The previous prime is 1040200200371. The next prime is 1040200200421. The reversal of 1040200200409 is 9040020020401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 715932592384 + 324267608025 = 846128^2 + 569445^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040200200409 - 2²³ = 1040191811801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1040200200409.

It is not a weakly prime, because it can be changed into another prime (1040200200439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520100100204 + 520100100205.

It is an arithmetic number, because the mean of its divisors is an integer number (520100100205).

Almost surely, 2^{1040200200409} is an apocalyptic number.

It is an amenable number.

1040200200409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040200200409 is an equidigital number, since it uses as much as digits as its factorization.

1040200200409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The spelling of 1040200200409 in words is "one trillion, forty billion, two hundred million, two hundred thousand, four hundred nine".