449798656 has 20 divisors (see below), whose sum is σ = 898719822. Its totient is φ = 224899072.

The previous prime is 449798627. The next prime is 449798669. The reversal of 449798656 is 656897944.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 324000000 + 125798656 = 18000^2 + 11216^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 449798656.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 438745 + ... + 439768.

Almost surely, 2^449798656 is an apocalyptic number.

It is an amenable number.

449798656 is a deficient number, since it is larger than the sum of its proper divisors (448921166).

449798656 is an frugal number, since it uses more digits than its factorization.

449798656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878531 (or 878515 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 58.

The square root of 449798656 is about 21208.4571810398. The cubic root of 449798656 is about 766.1951251167.

It can be divided in two parts, 44979 and 8656, that added together give a palindrome (53635).

The spelling of 449798656 in words is "four hundred forty-nine million, seven hundred ninety-eight thousand, six hundred fifty-six".