447820889532 has 48 divisors (see below), whose sum is σ = 1069387038720. Its totient is φ = 145818099328.

The previous prime is 447820889521. The next prime is 447820889533. The reversal of 447820889532 is 235988028744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447820889533) 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 15 ways as a sum of consecutive naturals, for example, 2437308 + ... + 2614595.

It is an arithmetic number, because the mean of its divisors is an integer number (22278896640).

Almost surely, 2^447820889532 is an apocalyptic number.

It is an amenable number.

447820889532 is an abundant number, since it is smaller than the sum of its proper divisors (621566149188).

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

447820889532 is a wasteful number, since it uses less digits than its factorization.

447820889532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5052082 (or 5052080 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 60.

The spelling of 447820889532 in words is "four hundred forty-seven billion, eight hundred twenty million, eight hundred eighty-nine thousand, five hundred thirty-two".