840448200443 has 2 divisors, whose sum is σ = 840448200444. Its totient is φ = 840448200442.

The previous prime is 840448200433. The next prime is 840448200467. The reversal of 840448200443 is 344002844048.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 840448200443 - 2¹⁶ = 840448134907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 840448200443.

It is not a weakly prime, because it can be changed into another prime (840448200433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420224100221 + 420224100222.

It is an arithmetic number, because the mean of its divisors is an integer number (420224100222).

Almost surely, 2^840448200443 is an apocalyptic number.

840448200443 is a deficient number, since it is larger than the sum of its proper divisors (1).

840448200443 is an equidigital number, since it uses as much as digits as its factorization.

840448200443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 393216, while the sum is 41.

The spelling of 840448200443 in words is "eight hundred forty billion, four hundred forty-eight million, two hundred thousand, four hundred forty-three".