6468046256 has 30 divisors (see below), whose sum is σ = 14577856020. Its totient is φ = 2772019488.

The previous prime is 6468046241. The next prime is 6468046259. The reversal of 6468046256 is 6526408646.

It is a self number, because there is not a number n which added to its sum of digits gives 6468046256.

It is not an unprimeable number, because it can be changed into a prime (6468046259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4124246 + ... + 4125813.

It is an arithmetic number, because the mean of its divisors is an integer number (485928534).

Almost surely, 2^6468046256 is an apocalyptic number.

It is an amenable number.

6468046256 is an abundant number, since it is smaller than the sum of its proper divisors (8109809764).

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

6468046256 is a wasteful number, since it uses less digits than its factorization.

6468046256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8250081 (or 8250068 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 47.

The square root of 6468046256 is about 80424.1646273059. The cubic root of 6468046256 is about 1863.1924071280.

The spelling of 6468046256 in words is "six billion, four hundred sixty-eight million, forty-six thousand, two hundred fifty-six".