447085113032820 has 384 divisors, whose sum is σ = 1410955485327360. Its totient is φ = 105222284513280.

The previous prime is 447085113032809. The next prime is 447085113032869. The reversal of 447085113032820 is 28230311580744.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 447085113032820.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 630682494 + ... + 631390986.

It is an arithmetic number, because the mean of its divisors is an integer number (3674363243040).

Almost surely, 2^{447085113032820} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 447085113032820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (705477742663680).

447085113032820 is an abundant number, since it is smaller than the sum of its proper divisors (963870372294540).

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

447085113032820 is a wasteful number, since it uses less digits than its factorization.

447085113032820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709175 (or 709173 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 447085113032820 in words is "four hundred forty-seven trillion, eighty-five billion, one hundred thirteen million, thirty-two thousand, eight hundred twenty".