449881678376 has 16 divisors (see below), whose sum is σ = 908414927700. Its totient is φ = 207637697664.

The previous prime is 449881678321. The next prime is 449881678399. The reversal of 449881678376 is 673876188944.

It can be written as a sum of positive squares in 2 ways, for example, as 428907108100 + 20974570276 = 654910^2 + 144826^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2162892581 + ... + 2162892788.

Almost surely, 2^449881678376 is an apocalyptic number.

It is an amenable number.

449881678376 is an abundant number, since it is smaller than the sum of its proper divisors (458533249324).

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

449881678376 is a wasteful number, since it uses less digits than its factorization.

449881678376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4325785388 (or 4325785384 counting only the distinct ones).

The product of its digits is 390168576, while the sum is 71.

The spelling of 449881678376 in words is "four hundred forty-nine billion, eight hundred eighty-one million, six hundred seventy-eight thousand, three hundred seventy-six".