4448537465664 has 112 divisors (see below), whose sum is σ = 12224255155200. Its totient is φ = 1426697504256.

The previous prime is 4448537465653. The next prime is 4448537465693. The reversal of 4448537465664 is 4665647358444.

It is a junction number, because it is equal to n+sod(n) for n = 4448537465595 and 4448537465604.

It is a congruent number.

It is an unprimeable number.

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, 3645274 + ... + 4710105.

Almost surely, 2^{4448537465664} is an apocalyptic number.

It is an amenable number.

4448537465664 is an abundant number, since it is smaller than the sum of its proper divisors (7775717689536).

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

4448537465664 is a wasteful number, since it uses less digits than its factorization.

4448537465664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8355500 (or 8355490 counting only the distinct ones).

The product of its digits is 928972800, while the sum is 66.

The spelling of 4448537465664 in words is "four trillion, four hundred forty-eight billion, five hundred thirty-seven million, four hundred sixty-five thousand, six hundred sixty-four".