449607278848 has 648 divisors, whose sum is σ = 1230967604160. Its totient is φ = 161989632000.

The previous prime is 449607278803. The next prime is 449607278863. The reversal of 449607278848 is 848872706944.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2977531573 + ... + 2977531723.

Almost surely, 2^449607278848 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 449607278848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (615483802080).

449607278848 is an abundant number, since it is smaller than the sum of its proper divisors (781360325312).

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

449607278848 is a wasteful number, since it uses less digits than its factorization.

449607278848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 173408256, while the sum is 67.

The spelling of 449607278848 in words is "four hundred forty-nine billion, six hundred seven million, two hundred seventy-eight thousand, eight hundred forty-eight".