4851384520 has 64 divisors (see below), whose sum is σ = 11606457600. Its totient is φ = 1818700800.

The previous prime is 4851384493. The next prime is 4851384557. The reversal of 4851384520 is 254831584.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147595 + ... + 177445.

It is an arithmetic number, because the mean of its divisors is an integer number (181350900).

Almost surely, 2^4851384520 is an apocalyptic number.

4851384520 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 4851384520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5803228800).

4851384520 is an abundant number, since it is smaller than the sum of its proper divisors (6755073080).

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

4851384520 is a wasteful number, since it uses less digits than its factorization.

4851384520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30118 (or 30114 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

The square root of 4851384520 is about 69651.8809509119. The cubic root of 4851384520 is about 1692.8633368493.

The spelling of 4851384520 in words is "four billion, eight hundred fifty-one million, three hundred eighty-four thousand, five hundred twenty".