504565540 has 12 divisors (see below), whose sum is σ = 1059587676. Its totient is φ = 201826208.

The previous prime is 504565531. The next prime is 504565541. The reversal of 504565540 is 45565405.

It can be written as a sum of positive squares in 2 ways, for example, as 312299584 + 192265956 = 17672^2 + 13866^2 .

It is a junction number, because it is equal to n+sod(n) for n = 504565496 and 504565505.

It is not an unprimeable number, because it can be changed into a prime (504565541) 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 3 ways as a sum of consecutive naturals, for example, 12614119 + ... + 12614158.

It is an arithmetic number, because the mean of its divisors is an integer number (88298973).

Almost surely, 2^504565540 is an apocalyptic number.

It is an amenable number.

504565540 is an abundant number, since it is smaller than the sum of its proper divisors (555022136).

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

504565540 is a wasteful number, since it uses less digits than its factorization.

504565540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25228286 (or 25228284 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

The square root of 504565540 is about 22462.5363661364. The cubic root of 504565540 is about 796.1089911616.

The spelling of 504565540 in words is "five hundred four million, five hundred sixty-five thousand, five hundred forty".