1648447448 has 16 divisors (see below), whose sum is σ = 3253515000. Its totient is φ = 780843456.

The previous prime is 1648447397. The next prime is 1648447453. The reversal of 1648447448 is 8447448461.

It is a junction number, because it is equal to n+sod(n) for n = 1648447396 and 1648447405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5422373 + ... + 5422676.

Almost surely, 2^1648447448 is an apocalyptic number.

It is an amenable number.

1648447448 is a deficient number, since it is larger than the sum of its proper divisors (1605067552).

1648447448 is a wasteful number, since it uses less digits than its factorization.

1648447448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10845074 (or 10845070 counting only the distinct ones).

The product of its digits is 2752512, while the sum is 50.

The square root of 1648447448 is about 40601.0769315298. The cubic root of 1648447448 is about 1181.2950083986.

The spelling of 1648447448 in words is "one billion, six hundred forty-eight million, four hundred forty-seven thousand, four hundred forty-eight".