4471649256 has 32 divisors (see below), whose sum is σ = 11451787200. Its totient is φ = 1454194560.

The previous prime is 4471649251. The next prime is 4471649257. The reversal of 4471649256 is 6529461744.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (4471649251) 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 7 ways as a sum of consecutive naturals, for example, 2271196 + ... + 2273163.

It is an arithmetic number, because the mean of its divisors is an integer number (357868350).

Almost surely, 2^4471649256 is an apocalyptic number.

It is an amenable number.

4471649256 is an abundant number, since it is smaller than the sum of its proper divisors (6980137944).

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

4471649256 is a wasteful number, since it uses less digits than its factorization.

4471649256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4544409 (or 4544405 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 48.

The square root of 4471649256 is about 66870.3914748523. The cubic root of 4471649256 is about 1647.4892031256.

The spelling of 4471649256 in words is "four billion, four hundred seventy-one million, six hundred forty-nine thousand, two hundred fifty-six".