5220400 has 60 divisors (see below), whose sum is σ = 12977344. Its totient is φ = 2016000.

The previous prime is 5220389. The next prime is 5220403. The reversal of 5220400 is 40225.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5220403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12190 + ... + 12610.

Almost surely, 2^5220400 is an apocalyptic number.

5220400 is a gapful number since it is divisible by the number (50) 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 5220400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6488672).

5220400 is an abundant number, since it is smaller than the sum of its proper divisors (7756944).

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

5220400 is a wasteful number, since it uses less digits than its factorization.

5220400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 5220400 is about 2284.8194677042. The cubic root of 5220400 is about 173.4740802911.

Adding to 5220400 its reverse (40225), we get a palindrome (5260625).

The spelling of 5220400 in words is "five million, two hundred twenty thousand, four hundred".