447433563120128 has 160 divisors (see below), whose sum is σ = 1004658589984896. Its totient is φ = 197521838604288.

The previous prime is 447433563120097. The next prime is 447433563120157. The reversal of 447433563120128 is 821021365334744.

It is a self number, because there is not a number n which added to its sum of digits gives 447433563120128.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7342529276 + ... + 7342590212.

Almost surely, 2^{447433563120128} 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 447433563120128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (502329294992448).

447433563120128 is an abundant number, since it is smaller than the sum of its proper divisors (557225026864768).

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

447433563120128 is a wasteful number, since it uses less digits than its factorization.

447433563120128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108954 (or 108938 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 53.

The spelling of 447433563120128 in words is "four hundred forty-seven trillion, four hundred thirty-three billion, five hundred sixty-three million, one hundred twenty thousand, one hundred twenty-eight".