4256662064 has 20 divisors (see below), whose sum is σ = 8268496080. Its totient is φ = 2122856640.

The previous prime is 4256662057. The next prime is 4256662097. The reversal of 4256662064 is 4602666524.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 335732 + ... + 348179.

It is an arithmetic number, because the mean of its divisors is an integer number (413424804).

Almost surely, 2^4256662064 is an apocalyptic number.

It is an amenable number.

4256662064 is a deficient number, since it is larger than the sum of its proper divisors (4011834016).

4256662064 is a wasteful number, since it uses less digits than its factorization.

4256662064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684308 (or 684302 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 41.

The square root of 4256662064 is about 65243.0997424249. The cubic root of 4256662064 is about 1620.6518313756.

The spelling of 4256662064 in words is "four billion, two hundred fifty-six million, six hundred sixty-two thousand, sixty-four".