504425220 has 192 divisors, whose sum is σ = 1576592640. Its totient is φ = 119734272.

The previous prime is 504425203. The next prime is 504425227. The reversal of 504425220 is 22524405.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (504425227) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4463884 + ... + 4463996.

It is an arithmetic number, because the mean of its divisors is an integer number (8211420).

Almost surely, 2^504425220 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 504425220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (788296320).

504425220 is an abundant number, since it is smaller than the sum of its proper divisors (1072167420).

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

504425220 is a wasteful number, since it uses less digits than its factorization.

504425220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 504425220 is about 22459.4127260710. The cubic root of 504425220 is about 796.0351848458.

Adding to 504425220 its reverse (22524405), we get a palindrome (526949625).

The spelling of 504425220 in words is "five hundred four million, four hundred twenty-five thousand, two hundred twenty".