449481128 has 16 divisors (see below), whose sum is σ = 858679380. Its totient is φ = 220499968.

The previous prime is 449481127. The next prime is 449481133. The reversal of 449481128 is 821184944.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 443439364 + 6041764 = 21058^2 + 2458^2 .

It is not an unprimeable number, because it can be changed into a prime (449481127) 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 in 3 ways as a sum of consecutive naturals, for example, 529625 + ... + 530472.

Almost surely, 2^449481128 is an apocalyptic number.

It is an amenable number.

449481128 is a deficient number, since it is larger than the sum of its proper divisors (409198252).

449481128 is a wasteful number, since it uses less digits than its factorization.

449481128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060156 (or 1060152 counting only the distinct ones).

The product of its digits is 73728, while the sum is 41.

The square root of 449481128 is about 21200.9699778100. The cubic root of 449481128 is about 766.0147883717.

The spelling of 449481128 in words is "four hundred forty-nine million, four hundred eighty-one thousand, one hundred twenty-eight".