449385810896 has 40 divisors (see below), whose sum is σ = 999829682400. Its totient is φ = 193515419520.

The previous prime is 449385810893. The next prime is 449385810901. The reversal of 449385810896 is 698018583944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449385810893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67189511 + ... + 67196198.

It is an arithmetic number, because the mean of its divisors is an integer number (24995742060).

Almost surely, 2^449385810896 is an apocalyptic number.

It is an amenable number.

449385810896 is an abundant number, since it is smaller than the sum of its proper divisors (550443871504).

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

449385810896 is a wasteful number, since it uses less digits than its factorization.

449385810896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134385747 (or 134385741 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 65.

The spelling of 449385810896 in words is "four hundred forty-nine billion, three hundred eighty-five million, eight hundred ten thousand, eight hundred ninety-six".