449484928 has 16 divisors (see below), whose sum is σ = 895458510. Its totient is φ = 224742400.

The previous prime is 449484901. The next prime is 449484953. The reversal of 449484928 is 829484944.

It can be written as a sum of positive squares in only one way, i.e., 419102784 + 30382144 = 20472^2 + 5512^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1755673 + ... + 1755928.

Almost surely, 2^449484928 is an apocalyptic number.

It is an amenable number.

449484928 is a deficient number, since it is larger than the sum of its proper divisors (445973582).

449484928 is an equidigital number, since it uses as much as digits as its factorization.

449484928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3511615 (or 3511603 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 52.

The square root of 449484928 is about 21201.0595961617. The cubic root of 449484928 is about 766.0169470444.

The spelling of 449484928 in words is "four hundred forty-nine million, four hundred eighty-four thousand, nine hundred twenty-eight".