449718319924 has 48 divisors (see below), whose sum is σ = 815807172096. Its totient is φ = 216779673600.

The previous prime is 449718319903. The next prime is 449718319969. The reversal of 449718319924 is 429913817944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15375634 + ... + 15404854.

It is an arithmetic number, because the mean of its divisors is an integer number (16995982752).

Almost surely, 2^449718319924 is an apocalyptic number.

It is an amenable number.

449718319924 is a deficient number, since it is larger than the sum of its proper divisors (366088852172).

449718319924 is a wasteful number, since it uses less digits than its factorization.

449718319924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30496 (or 30494 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 61.

The spelling of 449718319924 in words is "four hundred forty-nine billion, seven hundred eighteen million, three hundred nineteen thousand, nine hundred twenty-four".