200400000001 has 2 divisors, whose sum is σ = 200400000002. Its totient is φ = 200400000000.

The previous prime is 200399999993. The next prime is 200400000013. The reversal of 200400000001 is 100000004002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198042800400 + 2357199601 = 445020^2 + 48551^2 .

It is a cyclic number.

It is not a de Polignac number, because 200400000001 - 2³ = 200399999993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200400000001.

It is not a weakly prime, because it can be changed into another prime (200400000091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100200000000 + 100200000001.

It is an arithmetic number, because the mean of its divisors is an integer number (100200000001).

Almost surely, 2^200400000001 is an apocalyptic number.

It is an amenable number.

200400000001 is a deficient number, since it is larger than the sum of its proper divisors (1).

200400000001 is an equidigital number, since it uses as much as digits as its factorization.

200400000001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 200400000001 its reverse (100000004002), we get a palindrome (300400004003).

The spelling of 200400000001 in words is "two hundred billion, four hundred million, one", and thus it is an aban number.