4256280664 has 16 divisors (see below), whose sum is σ = 7992646200. Its totient is φ = 2124908352.

The previous prime is 4256280647. The next prime is 4256280689. The reversal of 4256280664 is 4660826524.

It is a self number, because there is not a number n which added to its sum of digits gives 4256280664.

It is a congruent number.

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, 398397 + ... + 408940.

Almost surely, 2^4256280664 is an apocalyptic number.

It is an amenable number.

4256280664 is a deficient number, since it is larger than the sum of its proper divisors (3736365536).

4256280664 is a wasteful number, since it uses less digits than its factorization.

4256280664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808002 (or 807998 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 43.

The square root of 4256280664 is about 65240.1767624828. The cubic root of 4256280664 is about 1620.6034260710.

The spelling of 4256280664 in words is "four billion, two hundred fifty-six million, two hundred eighty thousand, six hundred sixty-four".