449803142784 has 96 divisors (see below), whose sum is σ = 1294686244800. Its totient is φ = 149896057344.

The previous prime is 449803142753. The next prime is 449803142791. The reversal of 449803142784 is 487241308944.

449803142784 is a `hidden beast` number, since 4 + 498 + 0 + 3 + 142 + 7 + 8 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 449803142784.

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 11 ways as a sum of consecutive naturals, for example, 4651147 + ... + 4746869.

It is an arithmetic number, because the mean of its divisors is an integer number (13486315050).

Almost surely, 2^449803142784 is an apocalyptic number.

It is an amenable number.

449803142784 is an abundant number, since it is smaller than the sum of its proper divisors (844883102016).

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

449803142784 is a wasteful number, since it uses less digits than its factorization.

449803142784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99822 (or 99807 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 54.

The spelling of 449803142784 in words is "four hundred forty-nine billion, eight hundred three million, one hundred forty-two thousand, seven hundred eighty-four".