5220866880 has 224 divisors, whose sum is σ = 18467222400. Its totient is φ = 1388519424.

The previous prime is 5220866879. The next prime is 5220866881. The reversal of 5220866880 is 886680225.

It is an interprime number because it is at equal distance from previous prime (5220866879) and next prime (5220866881).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5220866881) 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 31 ways as a sum of consecutive naturals, for example, 5123011 + ... + 5124029.

Almost surely, 2^5220866880 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 5220866880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9233611200).

5220866880 is an abundant number, since it is smaller than the sum of its proper divisors (13246355520).

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

5220866880 is a wasteful number, since it uses less digits than its factorization.

5220866880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638 (or 1622 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The square root of 5220866880 is about 72255.5664291686. The cubic root of 5220866880 is about 1734.7925161670.

The spelling of 5220866880 in words is "five billion, two hundred twenty million, eight hundred sixty-six thousand, eight hundred eighty".