5218485720 has 64 divisors (see below), whose sum is σ = 17891953920. Its totient is φ = 1192796544.

The previous prime is 5218485703. The next prime is 5218485721. The reversal of 5218485720 is 275848125.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5218485721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3105402 + ... + 3107081.

It is an arithmetic number, because the mean of its divisors is an integer number (279561780).

Almost surely, 2^5218485720 is an apocalyptic number.

It is an amenable number.

5218485720 is an abundant number, since it is smaller than the sum of its proper divisors (12673468200).

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

5218485720 is a wasteful number, since it uses less digits than its factorization.

5218485720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6212504 (or 6212500 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 42.

The square root of 5218485720 is about 72239.0872035355. The cubic root of 5218485720 is about 1734.5287383434.

The spelling of 5218485720 in words is "five billion, two hundred eighteen million, four hundred eighty-five thousand, seven hundred twenty".