448644992 has 32 divisors (see below), whose sum is σ = 932651280. Its totient is φ = 214567936.

The previous prime is 448644991. The next prime is 448645049. The reversal of 448644992 is 299446844.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 448644992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448644991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73253 + ... + 79140.

Almost surely, 2^448644992 is an apocalyptic number.

It is an amenable number.

448644992 is an abundant number, since it is smaller than the sum of its proper divisors (484006288).

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

448644992 is a wasteful number, since it uses less digits than its factorization.

448644992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152430 (or 152418 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 50.

The square root of 448644992 is about 21181.2415122438. The cubic root of 448644992 is about 765.5395069375.

The spelling of 448644992 in words is "four hundred forty-eight million, six hundred forty-four thousand, nine hundred ninety-two".