4939928864 has 96 divisors (see below), whose sum is σ = 11381045760. Its totient is φ = 2090188800.

The previous prime is 4939928831. The next prime is 4939928869. The reversal of 4939928864 is 4688299394.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a junction number, because it is equal to n+sod(n) for n = 4939928797 and 4939928806.

It is not an unprimeable number, because it can be changed into a prime (4939928869) 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 15 ways as a sum of consecutive naturals, for example, 234944 + ... + 255104.

It is an arithmetic number, because the mean of its divisors is an integer number (118552560).

Almost surely, 2^4939928864 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 4939928864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5690522880).

4939928864 is an abundant number, since it is smaller than the sum of its proper divisors (6441116896).

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

4939928864 is a wasteful number, since it uses less digits than its factorization.

4939928864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20234 (or 20226 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 62.

The square root of 4939928864 is about 70284.6275084389. The cubic root of 4939928864 is about 1703.1003244452.

The spelling of 4939928864 in words is "four billion, nine hundred thirty-nine million, nine hundred twenty-eight thousand, eight hundred sixty-four".