404340055297 has 2 divisors, whose sum is σ = 404340055298. Its totient is φ = 404340055296.

The previous prime is 404340055277. The next prime is 404340055331. The reversal of 404340055297 is 792550043404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 281426006016 + 122914049281 = 530496^2 + 350591^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404340055297 is a prime.

It is not a weakly prime, because it can be changed into another prime (404340055267) 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, 202170027648 + 202170027649.

It is an arithmetic number, because the mean of its divisors is an integer number (202170027649).

Almost surely, 2^404340055297 is an apocalyptic number.

It is an amenable number.

404340055297 is a deficient number, since it is larger than the sum of its proper divisors (1).

404340055297 is an equidigital number, since it uses as much as digits as its factorization.

404340055297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 404340055297 in words is "four hundred four billion, three hundred forty million, fifty-five thousand, two hundred ninety-seven".