448668406648 has 64 divisors (see below), whose sum is σ = 1082668677120. Its totient is φ = 169166966400.

The previous prime is 448668406633. The next prime is 448668406651. The reversal of 448668406648 is 846604866844.

It is a self number, because there is not a number n which added to its sum of digits gives 448668406648.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11728611 + ... + 11766802.

It is an arithmetic number, because the mean of its divisors is an integer number (16916698080).

Almost surely, 2^448668406648 is an apocalyptic number.

It is an amenable number.

448668406648 is an abundant number, since it is smaller than the sum of its proper divisors (634000270472).

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

448668406648 is a wasteful number, since it uses less digits than its factorization.

448668406648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23495468 (or 23495464 counting only the distinct ones).

The product of its (nonzero) digits is 169869312, while the sum is 64.

The spelling of 448668406648 in words is "four hundred forty-eight billion, six hundred sixty-eight million, four hundred six thousand, six hundred forty-eight".