448129805264 has 20 divisors (see below), whose sum is σ = 869667913956. Its totient is φ = 223699375872.

The previous prime is 448129805147. The next prime is 448129805269. The reversal of 448129805264 is 462508921844.

It can be written as a sum of positive squares in 2 ways, for example, as 6223947664 + 441905857600 = 78892^2 + 664760^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448129805269) 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 3 ways as a sum of consecutive naturals, for example, 22835309 + ... + 22854924.

Almost surely, 2^448129805264 is an apocalyptic number.

It is an amenable number.

448129805264 is a deficient number, since it is larger than the sum of its proper divisors (421538108692).

448129805264 is a wasteful number, since it uses less digits than its factorization.

448129805264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45690854 (or 45690848 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 53.

The spelling of 448129805264 in words is "four hundred forty-eight billion, one hundred twenty-nine million, eight hundred five thousand, two hundred sixty-four".