448256656 has 10 divisors (see below), whose sum is σ = 868497302. Its totient is φ = 224128320.

The previous prime is 448256623. The next prime is 448256657. The reversal of 448256656 is 656652844.

It can be written as a sum of positive squares in only one way, i.e., 446054400 + 2202256 = 21120^2 + 1484^2 .

It is not an unprimeable number, because it can be changed into a prime (448256657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14008005 + ... + 14008036.

Almost surely, 2^448256656 is an apocalyptic number.

It is an amenable number.

448256656 is a deficient number, since it is larger than the sum of its proper divisors (420240646).

448256656 is a wasteful number, since it uses less digits than its factorization.

448256656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28016049 (or 28016043 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 46.

The square root of 448256656 is about 21172.0725485249. The cubic root of 448256656 is about 765.3185658288.

The spelling of 448256656 in words is "four hundred forty-eight million, two hundred fifty-six thousand, six hundred fifty-six".