2786449448 has 32 divisors (see below), whose sum is σ = 5520787200. Its totient is φ = 1315773888.

The previous prime is 2786449441. The next prime is 2786449459. The reversal of 2786449448 is 8449446872.

It is a happy number.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2786449393 and 2786449402.

It is not an unprimeable number, because it can be changed into a prime (2786449441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81311 + ... + 110382.

It is an arithmetic number, because the mean of its divisors is an integer number (172524600).

Almost surely, 2^2786449448 is an apocalyptic number.

It is an amenable number.

2786449448 is a deficient number, since it is larger than the sum of its proper divisors (2734337752).

2786449448 is a wasteful number, since it uses less digits than its factorization.

2786449448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191801 (or 191797 counting only the distinct ones).

The product of its digits is 12386304, while the sum is 56.

The square root of 2786449448 is about 52786.8302514936. The cubic root of 2786449448 is about 1407.1823832723.

The spelling of 2786449448 in words is "two billion, seven hundred eighty-six million, four hundred forty-nine thousand, four hundred forty-eight".