447456648 has 16 divisors (see below), whose sum is σ = 1118641680. Its totient is φ = 149152208.

The previous prime is 447456641. The next prime is 447456661. The reversal of 447456648 is 846654744.

It is a junction number, because it is equal to n+sod(n) for n = 447456597 and 447456606.

It is not an unprimeable number, because it can be changed into a prime (447456641) 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, 9321990 + ... + 9322037.

It is an arithmetic number, because the mean of its divisors is an integer number (69915105).

Almost surely, 2^447456648 is an apocalyptic number.

It is an amenable number.

447456648 is an abundant number, since it is smaller than the sum of its proper divisors (671185032).

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

447456648 is a wasteful number, since it uses less digits than its factorization.

447456648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18644036 (or 18644032 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 48.

The square root of 447456648 is about 21153.1711097887. The cubic root of 447456648 is about 764.8630042180.

The spelling of 447456648 in words is "four hundred forty-seven million, four hundred fifty-six thousand, six hundred forty-eight".