448598216505 has 16 divisors (see below), whose sum is σ = 717787554624. Its totient is φ = 239242246080.

The previous prime is 448598216501. The next prime is 448598216513. The reversal of 448598216505 is 505612895844.

It is not a de Polignac number, because 448598216505 - 2² = 448598216501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (448598216501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260559 + ... + 982388.

It is an arithmetic number, because the mean of its divisors is an integer number (44861722164).

Almost surely, 2^448598216505 is an apocalyptic number.

It is an amenable number.

448598216505 is a deficient number, since it is larger than the sum of its proper divisors (269189338119).

448598216505 is a wasteful number, since it uses less digits than its factorization.

448598216505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267016.

The product of its (nonzero) digits is 13824000, while the sum is 57.

The spelling of 448598216505 in words is "four hundred forty-eight billion, five hundred ninety-eight million, two hundred sixteen thousand, five hundred five".