6406840822448 has 20 divisors (see below), whose sum is σ = 13541731738728. Its totient is φ = 2912200373760.

The previous prime is 6406840822441. The next prime is 6406840822453. The reversal of 6406840822448 is 8442280486046.

It is a junction number, because it is equal to n+sod(n) for n = 6406840822393 and 6406840822402.

It is not an unprimeable number, because it can be changed into a prime (6406840822441) 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 in 3 ways as a sum of consecutive naturals, for example, 18201252161 + ... + 18201252512.

Almost surely, 2^{6406840822448} is an apocalyptic number.

It is an amenable number.

6406840822448 is an abundant number, since it is smaller than the sum of its proper divisors (7134890916280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6406840822448 is a wasteful number, since it uses less digits than its factorization.

6406840822448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36402504692 (or 36402504686 counting only the distinct ones).

The product of its (nonzero) digits is 18874368, while the sum is 56.

The spelling of 6406840822448 in words is "six trillion, four hundred six billion, eight hundred forty million, eight hundred twenty-two thousand, four hundred forty-eight".