4931385288 has 64 divisors (see below), whose sum is σ = 12957235200. Its totient is φ = 1560989760.

The previous prime is 4931385227. The next prime is 4931385289. The reversal of 4931385288 is 8825831394.

It is a self number, because there is not a number n which added to its sum of digits gives 4931385288.

It is not an unprimeable number, because it can be changed into a prime (4931385289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44593 + ... + 108863.

It is an arithmetic number, because the mean of its divisors is an integer number (202456800).

Almost surely, 2^4931385288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4931385288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6478617600).

4931385288 is an abundant number, since it is smaller than the sum of its proper divisors (8025849912).

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

4931385288 is a wasteful number, since it uses less digits than its factorization.

4931385288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64442 (or 64438 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 51.

The square root of 4931385288 is about 70223.8227954018. The cubic root of 4931385288 is about 1702.1179240977.

The spelling of 4931385288 in words is "four billion, nine hundred thirty-one million, three hundred eighty-five thousand, two hundred eighty-eight".