402404044411 has 2 divisors, whose sum is σ = 402404044412. Its totient is φ = 402404044410.

The previous prime is 402404044409. The next prime is 402404044429. The reversal of 402404044411 is 114440404204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402404044411 - 2¹ = 402404044409 is a prime.

Together with 402404044409, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 402404044411.

It is not a weakly prime, because it can be changed into another prime (402404044811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201202022205 + 201202022206.

It is an arithmetic number, because the mean of its divisors is an integer number (201202022206).

Almost surely, 2^402404044411 is an apocalyptic number.

402404044411 is a deficient number, since it is larger than the sum of its proper divisors (1).

402404044411 is an equidigital number, since it uses as much as digits as its factorization.

402404044411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 402404044411 its reverse (114440404204), we get a palindrome (516844448615).

The spelling of 402404044411 in words is "four hundred two billion, four hundred four million, forty-four thousand, four hundred eleven".