400315210241 has 2 divisors, whose sum is σ = 400315210242. Its totient is φ = 400315210240.

The previous prime is 400315210171. The next prime is 400315210261. The reversal of 400315210241 is 142012513004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 392246679616 + 8068530625 = 626296^2 + 89825^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400315210241 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 (400315210261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200157605120 + 200157605121.

It is an arithmetic number, because the mean of its divisors is an integer number (200157605121).

Almost surely, 2^400315210241 is an apocalyptic number.

It is an amenable number.

400315210241 is a deficient number, since it is larger than the sum of its proper divisors (1).

400315210241 is an equidigital number, since it uses as much as digits as its factorization.

400315210241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 400315210241 its reverse (142012513004), we get a palindrome (542327723245).

The spelling of 400315210241 in words is "four hundred billion, three hundred fifteen million, two hundred ten thousand, two hundred forty-one".