449686581152 has 12 divisors (see below), whose sum is σ = 885320456706. Its totient is φ = 224843290560.

The previous prime is 449686581151. The next prime is 449686581193. The reversal of 449686581152 is 251185686944.

It can be written as a sum of positive squares in only one way, i.e., 415400874256 + 34285706896 = 644516^2 + 185164^2 .

It is a junction number, because it is equal to n+sod(n) for n = 449686581091 and 449686581100.

It is not an unprimeable number, because it can be changed into a prime (449686581151) 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 as a sum of consecutive naturals, namely, 7026352799 + ... + 7026352862.

Almost surely, 2^449686581152 is an apocalyptic number.

It is an amenable number.

449686581152 is a deficient number, since it is larger than the sum of its proper divisors (435633875554).

449686581152 is a wasteful number, since it uses less digits than its factorization.

449686581152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14052705671 (or 14052705663 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 59.

The spelling of 449686581152 in words is "four hundred forty-nine billion, six hundred eighty-six million, five hundred eighty-one thousand, one hundred fifty-two".