449448594021 has 96 divisors (see below), whose sum is σ = 818442368000. Its totient is φ = 238129494624.

The previous prime is 449448593987. The next prime is 449448594031. The reversal of 449448594021 is 120495844944.

449448594021 is a `hidden beast` number, since 4 + 4 + 9 + 4 + 48 + 594 + 0 + 2 + 1 = 666.

It is not a de Polignac number, because 449448594021 - 2¹⁰ = 449448592997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449448594031) 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, 7904190 + ... + 7960848.

Almost surely, 2^449448594021 is an apocalyptic number.

It is an amenable number.

449448594021 is a deficient number, since it is larger than the sum of its proper divisors (368993773979).

449448594021 is a wasteful number, since it uses less digits than its factorization.

449448594021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56788 (or 56735 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 449448594021 in words is "four hundred forty-nine billion, four hundred forty-eight million, five hundred ninety-four thousand, twenty-one".