4939867840 has 112 divisors (see below), whose sum is σ = 12103912800. Its totient is φ = 1919508480.

The previous prime is 4939867831. The next prime is 4939867841. The reversal of 4939867840 is 487689394.

It is not an unprimeable number, because it can be changed into a prime (4939867841) 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, 1618636 + ... + 1621684.

It is an arithmetic number, because the mean of its divisors is an integer number (108070650).

Almost surely, 2^4939867840 is an apocalyptic number.

4939867840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4939867840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6051956400).

4939867840 is an abundant number, since it is smaller than the sum of its proper divisors (7164044960).

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

4939867840 is a wasteful number, since it uses less digits than its factorization.

4939867840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3210 (or 3200 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 58.

The square root of 4939867840 is about 70284.1933865645. The cubic root of 4939867840 is about 1703.0933114952.

The spelling of 4939867840 in words is "four billion, nine hundred thirty-nine million, eight hundred sixty-seven thousand, eight hundred forty".