447365323520 has 72 divisors (see below), whose sum is σ = 1118170249056. Its totient is φ = 171165851648.

The previous prime is 447365323511. The next prime is 447365323553. The reversal of 447365323520 is 25323563744.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7568477 + ... + 7627356.

It is an arithmetic number, because the mean of its divisors is an integer number (15530142348).

Almost surely, 2^447365323520 is an apocalyptic number.

447365323520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

447365323520 is an abundant number, since it is smaller than the sum of its proper divisors (670804925536).

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

447365323520 is a wasteful number, since it uses less digits than its factorization.

447365323520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15195877 (or 15195863 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 44.

The spelling of 447365323520 in words is "four hundred forty-seven billion, three hundred sixty-five million, three hundred twenty-three thousand, five hundred twenty".