449268616 has 16 divisors (see below), whose sum is σ = 869552640. Its totient is φ = 217387920.

The previous prime is 449268583. The next prime is 449268643. The reversal of 449268616 is 616862944.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 905536 + ... + 906031.

It is an arithmetic number, because the mean of its divisors is an integer number (54347040).

Almost surely, 2^449268616 is an apocalyptic number.

It is an amenable number.

449268616 is a deficient number, since it is larger than the sum of its proper divisors (420284024).

449268616 is a wasteful number, since it uses less digits than its factorization.

449268616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811604 (or 1811600 counting only the distinct ones).

The product of its digits is 497664, while the sum is 46.

The square root of 449268616 is about 21195.9575391158. The cubic root of 449268616 is about 765.8940469313.

The spelling of 449268616 in words is "four hundred forty-nine million, two hundred sixty-eight thousand, six hundred sixteen".