4640972568 has 64 divisors (see below), whose sum is σ = 12312172800. Its totient is φ = 1454640000.

The previous prime is 4640972533. The next prime is 4640972569. The reversal of 4640972568 is 8652790464.

It is a self number, because there is not a number n which added to its sum of digits gives 4640972568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640972569) 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 15 ways as a sum of consecutive naturals, for example, 38683 + ... + 103818.

It is an arithmetic number, because the mean of its divisors is an integer number (192377700).

Almost surely, 2^4640972568 is an apocalyptic number.

It is an amenable number.

4640972568 is an abundant number, since it is smaller than the sum of its proper divisors (7671200232).

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

4640972568 is a wasteful number, since it uses less digits than its factorization.

4640972568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142592 (or 142588 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 51.

The square root of 4640972568 is about 68124.6839845881. The cubic root of 4640972568 is about 1668.0267091399.

The spelling of 4640972568 in words is "four billion, six hundred forty million, nine hundred seventy-two thousand, five hundred sixty-eight".