504621040 has 80 divisors (see below), whose sum is σ = 1462763520. Its totient is φ = 157282560.

The previous prime is 504621037. The next prime is 504621043. The reversal of 504621040 is 40126405.

It is an interprime number because it is at equal distance from previous prime (504621037) and next prime (504621043).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504621043) 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 15 ways as a sum of consecutive naturals, for example, 34800 + ... + 47119.

It is an arithmetic number, because the mean of its divisors is an integer number (18284544).

Almost surely, 2^504621040 is an apocalyptic number.

It is an amenable number.

504621040 is an abundant number, since it is smaller than the sum of its proper divisors (958142480).

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

504621040 is a wasteful number, since it uses less digits than its factorization.

504621040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81950 (or 81944 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 504621040 is about 22463.7717224869. The cubic root of 504621040 is about 796.1381795924.

Adding to 504621040 its reverse (40126405), we get a palindrome (544747445).

The spelling of 504621040 in words is "five hundred four million, six hundred twenty-one thousand, forty".