449344658 has 24 divisors (see below), whose sum is σ = 781430016. Its totient is φ = 189834120.

The previous prime is 449344639. The next prime is 449344703. The reversal of 449344658 is 856443944.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 67391 + ... + 73757.

It is an arithmetic number, because the mean of its divisors is an integer number (32559584).

Almost surely, 2^449344658 is an apocalyptic number.

449344658 is a deficient number, since it is larger than the sum of its proper divisors (332085358).

449344658 is an equidigital number, since it uses as much as digits as its factorization.

449344658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6518 (or 6447 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 47.

The square root of 449344658 is about 21197.7512486584. The cubic root of 449344658 is about 765.9372555505.

The spelling of 449344658 in words is "four hundred forty-nine million, three hundred forty-four thousand, six hundred fifty-eight".