200402444424401 has 2 divisors, whose sum is σ = 200402444424402. Its totient is φ = 200402444424400.

The previous prime is 200402444424397. The next prime is 200402444424473. The reversal of 200402444424401 is 104424444204002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 185362125530176 + 15040318894225 = 13614776^2 + 3878185^2 .

It is a cyclic number.

It is not a de Polignac number, because 200402444424401 - 2² = 200402444424397 is a prime.

It is a super-2 number, since 2×200402444424401² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200402444427401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100201222212200 + 100201222212201.

It is an arithmetic number, because the mean of its divisors is an integer number (100201222212201).

Almost surely, 2^{200402444424401} is an apocalyptic number.

It is an amenable number.

200402444424401 is a deficient number, since it is larger than the sum of its proper divisors (1).

200402444424401 is an equidigital number, since it uses as much as digits as its factorization.

200402444424401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 131072, while the sum is 35.

Adding to 200402444424401 its reverse (104424444204002), we get a palindrome (304826888628403).

The spelling of 200402444424401 in words is "two hundred trillion, four hundred two billion, four hundred forty-four million, four hundred twenty-four thousand, four hundred one".