504524540 has 24 divisors (see below), whose sum is σ = 1141002240. Its totient is φ = 186285888.

The previous prime is 504524533. The next prime is 504524549. The reversal of 504524540 is 45425405.

It is a super-2 number, since 2×504524540² = 509090022924423200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504524549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 969980 + ... + 970499.

It is an arithmetic number, because the mean of its divisors is an integer number (47541760).

Almost surely, 2^504524540 is an apocalyptic number.

It is an amenable number.

504524540 is an abundant number, since it is smaller than the sum of its proper divisors (636477700).

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

504524540 is a wasteful number, since it uses less digits than its factorization.

504524540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940501 (or 1940499 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 504524540 is about 22461.6237169088. The cubic root of 504524540 is about 796.0874271623.

Adding to 504524540 its reverse (45425405), we get a palindrome (549949945).

The spelling of 504524540 in words is "five hundred four million, five hundred twenty-four thousand, five hundred forty".