449741648 has 10 divisors (see below), whose sum is σ = 871374474. Its totient is φ = 224870816.

The previous prime is 449741641. The next prime is 449741659. The reversal of 449741648 is 846147944.

It can be written as a sum of positive squares in only one way, i.e., 433805584 + 15936064 = 20828^2 + 3992^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449741641) 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 as a sum of consecutive naturals, namely, 14054411 + ... + 14054442.

Almost surely, 2^449741648 is an apocalyptic number.

It is an amenable number.

449741648 is a deficient number, since it is larger than the sum of its proper divisors (421632826).

449741648 is a wasteful number, since it uses less digits than its factorization.

449741648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28108861 (or 28108855 counting only the distinct ones).

The product of its digits is 774144, while the sum is 47.

The square root of 449741648 is about 21207.1131463007. The cubic root of 449741648 is about 766.1627542647.

The spelling of 449741648 in words is "four hundred forty-nine million, seven hundred forty-one thousand, six hundred forty-eight".