840448200467 has 2 divisors, whose sum is σ = 840448200468. Its totient is φ = 840448200466.

The previous prime is 840448200443. The next prime is 840448200469. The reversal of 840448200467 is 764002844048.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-840448200467 is a prime.

Together with 840448200469, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (840448200469) 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, 420224100233 + 420224100234.

It is an arithmetic number, because the mean of its divisors is an integer number (420224100234).

Almost surely, 2^840448200467 is an apocalyptic number.

840448200467 is a deficient number, since it is larger than the sum of its proper divisors (1).

840448200467 is an equidigital number, since it uses as much as digits as its factorization.

840448200467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1376256, while the sum is 47.

The spelling of 840448200467 in words is "eight hundred forty billion, four hundred forty-eight million, two hundred thousand, four hundred sixty-seven".