5220454320 has 320 divisors, whose sum is σ = 18713802240. Its totient is φ = 1336476672.

The previous prime is 5220454319. The next prime is 5220454331. The reversal of 5220454320 is 234540225.

It is a happy number.

5220454320 is a `hidden beast` number, since 5 + 220 + 4 + 5 + 432 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6632967 + ... + 6633753.

It is an arithmetic number, because the mean of its divisors is an integer number (58480632).

Almost surely, 2^5220454320 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 5220454320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9356901120).

5220454320 is an abundant number, since it is smaller than the sum of its proper divisors (13493347920).

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

5220454320 is a wasteful number, since it uses less digits than its factorization.

5220454320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929 (or 917 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 5220454320 is about 72252.7115062127. The cubic root of 5220454320 is about 1734.7468197421.

Adding to 5220454320 its reverse (234540225), we get a palindrome (5454994545).

The spelling of 5220454320 in words is "five billion, two hundred twenty million, four hundred fifty-four thousand, three hundred twenty".