449560321056 has 576 divisors, whose sum is σ = 1700723920896. Its totient is φ = 109049241600.

The previous prime is 449560321031. The next prime is 449560321057. The reversal of 449560321056 is 650123065944.

449560321056 is a `hidden beast` number, since 4 + 4 + 9 + 560 + 32 + 1 + 0 + 56 = 666.

It is not an unprimeable number, because it can be changed into a prime (449560321057) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 49381401 + ... + 49390503.

It is an arithmetic number, because the mean of its divisors is an integer number (2952645696).

Almost surely, 2^449560321056 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 449560321056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (850361960448).

449560321056 is an abundant number, since it is smaller than the sum of its proper divisors (1251163599840).

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

449560321056 is a wasteful number, since it uses less digits than its factorization.

449560321056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9285 (or 9274 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 449560321056 in words is "four hundred forty-nine billion, five hundred sixty million, three hundred twenty-one thousand, fifty-six".