400310204144401 has 2 divisors, whose sum is σ = 400310204144402. Its totient is φ = 400310204144400.

The previous prime is 400310204144381. The next prime is 400310204144483. The reversal of 400310204144401 is 104441402013004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 323679859121025 + 76630345023376 = 17991105^2 + 8753876^2 .

It is a cyclic number.

It is not a de Polignac number, because 400310204144401 - 2¹⁵ = 400310204111633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 400310204144401.

It is not a weakly prime, because it can be changed into another prime (400310204144101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200155102072200 + 200155102072201.

It is an arithmetic number, because the mean of its divisors is an integer number (200155102072201).

Almost surely, 2^{400310204144401} is an apocalyptic number.

It is an amenable number.

400310204144401 is a deficient number, since it is larger than the sum of its proper divisors (1).

400310204144401 is an equidigital number, since it uses as much as digits as its factorization.

400310204144401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 400310204144401 its reverse (104441402013004), we get a palindrome (504751606157405).

The spelling of 400310204144401 in words is "four hundred trillion, three hundred ten billion, two hundred four million, one hundred forty-four thousand, four hundred one".