449669323458 has 96 divisors (see below), whose sum is σ = 1067977737216. Its totient is φ = 136179477504.

The previous prime is 449669323451. The next prime is 449669323471. The reversal of 449669323458 is 854323966944.

449669323458 is a `hidden beast` number, since 4 + 4 + 96 + 6 + 93 + 2 + 3 + 458 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 449669323395 and 449669323404.

It is not an unprimeable number, because it can be changed into a prime (449669323451) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 835735 + ... + 1264037.

It is an arithmetic number, because the mean of its divisors is an integer number (11124768096).

Almost surely, 2^449669323458 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449669323458, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (533988868608).

449669323458 is an abundant number, since it is smaller than the sum of its proper divisors (618308413758).

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

449669323458 is a wasteful number, since it uses less digits than its factorization.

449669323458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428448 (or 428445 counting only the distinct ones).

The product of its digits is 134369280, while the sum is 63.

The spelling of 449669323458 in words is "four hundred forty-nine billion, six hundred sixty-nine million, three hundred twenty-three thousand, four hundred fifty-eight".