449812128 has 48 divisors (see below), whose sum is σ = 1181851776. Its totient is φ = 149798400.

The previous prime is 449812117. The next prime is 449812133. The reversal of 449812128 is 821218944.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190153 + ... + 192503.

It is an arithmetic number, because the mean of its divisors is an integer number (24621912).

Almost surely, 2^449812128 is an apocalyptic number.

449812128 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

449812128 is an abundant number, since it is smaller than the sum of its proper divisors (732039648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

449812128 is a wasteful number, since it uses less digits than its factorization.

449812128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4357 (or 4349 counting only the distinct ones).

The product of its digits is 36864, while the sum is 39.

The square root of 449812128 is about 21208.7747878089. The cubic root of 449812128 is about 766.2027745228.

The spelling of 449812128 in words is "four hundred forty-nine million, eight hundred twelve thousand, one hundred twenty-eight".