449037664 has 12 divisors (see below), whose sum is σ = 884042964. Its totient is φ = 224518816.

The previous prime is 449037637. The next prime is 449037683. The reversal of 449037664 is 466730944.

It is a self number, because there is not a number n which added to its sum of digits gives 449037664.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 7016182 + ... + 7016245.

It is an arithmetic number, because the mean of its divisors is an integer number (73670247).

Almost surely, 2^449037664 is an apocalyptic number.

It is an amenable number.

449037664 is a deficient number, since it is larger than the sum of its proper divisors (435005300).

449037664 is a wasteful number, since it uses less digits than its factorization.

449037664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14032437 (or 14032429 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 43.

The square root of 449037664 is about 21190.5088188085. The cubic root of 449037664 is about 765.7627853844.

The spelling of 449037664 in words is "four hundred forty-nine million, thirty-seven thousand, six hundred sixty-four".