449491518764 has 24 divisors (see below), whose sum is σ = 829896883200. Its totient is φ = 212432014800.

The previous prime is 449491518757. The next prime is 449491518779. The reversal of 449491518764 is 467815194944.

It is a junction number, because it is equal to n+sod(n) for n = 449491518697 and 449491518706.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 6702812 + ... + 6769539.

It is an arithmetic number, because the mean of its divisors is an integer number (34579036800).

Almost surely, 2^449491518764 is an apocalyptic number.

It is an amenable number.

449491518764 is a deficient number, since it is larger than the sum of its proper divisors (380405364436).

449491518764 is a wasteful number, since it uses less digits than its factorization.

449491518764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13472813 (or 13472811 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 62.

The spelling of 449491518764 in words is "four hundred forty-nine billion, four hundred ninety-one million, five hundred eighteen thousand, seven hundred sixty-four".