449319892 has 24 divisors (see below), whose sum is σ = 899333120. Its totient is φ = 192417120.

The previous prime is 449319853. The next prime is 449319901. The reversal of 449319892 is 298913944.

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 in 7 ways as a sum of consecutive naturals, for example, 35734 + ... + 46642.

Almost surely, 2^449319892 is an apocalyptic number.

It is an amenable number.

449319892 is an abundant number, since it is smaller than the sum of its proper divisors (450013228).

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

449319892 is a wasteful number, since it uses less digits than its factorization.

449319892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12391 (or 12389 counting only the distinct ones).

The product of its digits is 559872, while the sum is 49.

The square root of 449319892 is about 21197.1670748711. The cubic root of 449319892 is about 765.9231835382.

The spelling of 449319892 in words is "four hundred forty-nine million, three hundred nineteen thousand, eight hundred ninety-two".