4851144920 has 64 divisors (see below), whose sum is σ = 11082985920. Its totient is φ = 1910697984.

The previous prime is 4851144917. The next prime is 4851144943. The reversal of 4851144920 is 294411584.

It is a congruent number.

It is an unprimeable number.

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, 2589104 + ... + 2590976.

It is an arithmetic number, because the mean of its divisors is an integer number (173171655).

Almost surely, 2^4851144920 is an apocalyptic number.

4851144920 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 4851144920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5541492960).

4851144920 is an abundant number, since it is smaller than the sum of its proper divisors (6231841000).

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

4851144920 is a wasteful number, since it uses less digits than its factorization.

4851144920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2844 (or 2840 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 4851144920 is about 69650.1609474092. The cubic root of 4851144920 is about 1692.8354673665.

The spelling of 4851144920 in words is "four billion, eight hundred fifty-one million, one hundred forty-four thousand, nine hundred twenty".