449427317626 has 24 divisors (see below), whose sum is σ = 784772898516. Its totient is φ = 192472176960.

The previous prime is 449427317621. The next prime is 449427317627. The reversal of 449427317626 is 626713724944.

It can be written as a sum of positive squares in 2 ways, for example, as 379395634401 + 70031683225 = 615951^2 + 264635^2 .

It is not an unprimeable number, because it can be changed into a prime (449427317621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1525051 + ... + 1795726.

Almost surely, 2^449427317626 is an apocalyptic number.

449427317626 is a deficient number, since it is larger than the sum of its proper divisors (335345580890).

449427317626 is a wasteful number, since it uses less digits than its factorization.

449427317626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3322174 (or 3322167 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 55.

The spelling of 449427317626 in words is "four hundred forty-nine billion, four hundred twenty-seven million, three hundred seventeen thousand, six hundred twenty-six".