505018360 has 128 divisors (see below), whose sum is σ = 1478476800. Its totient is φ = 150543360.

The previous prime is 505018351. The next prime is 505018363. The reversal of 505018360 is 63810505.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505018363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67276 + ... + 74404.

It is an arithmetic number, because the mean of its divisors is an integer number (11550600).

Almost surely, 2^505018360 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 505018360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (739238400).

505018360 is an abundant number, since it is smaller than the sum of its proper divisors (973458440).

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

505018360 is a wasteful number, since it uses less digits than its factorization.

505018360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7181 (or 7177 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 505018360 is about 22472.6135551698. The cubic root of 505018360 is about 796.3470747254.

Adding to 505018360 its reverse (63810505), we get a palindrome (568828865).

The spelling of 505018360 in words is "five hundred five million, eighteen thousand, three hundred sixty".