447352121787320 has 16 divisors (see below), whose sum is σ = 1006542274021560. Its totient is φ = 178940848714912.

The previous prime is 447352121787251. The next prime is 447352121787371. The reversal of 447352121787320 is 23787121253744.

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, 5591901522302 + ... + 5591901522381.

Almost surely, 2^{447352121787320} is an apocalyptic number.

447352121787320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

447352121787320 is an abundant number, since it is smaller than the sum of its proper divisors (559190152234240).

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

447352121787320 is a wasteful number, since it uses less digits than its factorization.

447352121787320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11183803044694 (or 11183803044690 counting only the distinct ones).

The product of its (nonzero) digits is 15805440, while the sum is 56.

The spelling of 447352121787320 in words is "four hundred forty-seven trillion, three hundred fifty-two billion, one hundred twenty-one million, seven hundred eighty-seven thousand, three hundred twenty".