504018312 has 144 divisors (see below), whose sum is σ = 1558110960. Its totient is φ = 135442944.

The previous prime is 504018293. The next prime is 504018313. The reversal of 504018312 is 213810405.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (504018313) 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 35 ways as a sum of consecutive naturals, for example, 339123 + ... + 340605.

It is an arithmetic number, because the mean of its divisors is an integer number (10820215).

Almost surely, 2^504018312 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 504018312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (779055480).

504018312 is an abundant number, since it is smaller than the sum of its proper divisors (1054092648).

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

504018312 is a wasteful number, since it uses less digits than its factorization.

504018312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540 (or 1512 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 504018312 is about 22450.3521575943. The cubic root of 504018312 is about 795.8210796233.

Adding to 504018312 its reverse (213810405), we get a palindrome (717828717).

The spelling of 504018312 in words is "five hundred four million, eighteen thousand, three hundred twelve".