447656364021144 has 32 divisors (see below), whose sum is σ = 1119205292440320. Its totient is φ = 149210203688736.

The previous prime is 447656364021127. The next prime is 447656364021193. The reversal of 447656364021144 is 441120463656744.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536094012 + ... + 536928395.

It is an arithmetic number, because the mean of its divisors is an integer number (34975165388760).

Almost surely, 2^{447656364021144} is an apocalyptic number.

It is an amenable number.

447656364021144 is an abundant number, since it is smaller than the sum of its proper divisors (671548928419176).

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

447656364021144 is a wasteful number, since it uses less digits than its factorization.

447656364021144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073039799 (or 1073039795 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 57.

The spelling of 447656364021144 in words is "four hundred forty-seven trillion, six hundred fifty-six billion, three hundred sixty-four million, twenty-one thousand, one hundred forty-four".