448668435448 has 16 divisors (see below), whose sum is σ = 843449806080. Its totient is φ = 223748487168.

The previous prime is 448668435431. The next prime is 448668435497. The reversal of 448668435448 is 844534866844.

It is a super-2 number, since 2×448668435448² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 448668435448.

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, 73213065 + ... + 73219192.

It is an arithmetic number, because the mean of its divisors is an integer number (52715612880).

Almost surely, 2^448668435448 is an apocalyptic number.

It is an amenable number.

448668435448 is a deficient number, since it is larger than the sum of its proper divisors (394781370632).

448668435448 is a wasteful number, since it uses less digits than its factorization.

448668435448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146432646 (or 146432642 counting only the distinct ones).

The product of its digits is 283115520, while the sum is 64.

The spelling of 448668435448 in words is "four hundred forty-eight billion, six hundred sixty-eight million, four hundred thirty-five thousand, four hundred forty-eight".