504234540 has 144 divisors (see below), whose sum is σ = 1637082720. Its totient is φ = 125245440.

The previous prime is 504234529. The next prime is 504234551. The reversal of 504234540 is 45432405.

504234540 is a `hidden beast` number, since 50 + 42 + 34 + 540 = 666.

It is an interprime number because it is at equal distance from previous prime (504234529) and next prime (504234551).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 207412 + ... + 209828.

It is an arithmetic number, because the mean of its divisors is an integer number (11368630).

Almost surely, 2^504234540 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 504234540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (818541360).

504234540 is an abundant number, since it is smaller than the sum of its proper divisors (1132848180).

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

504234540 is a wasteful number, since it uses less digits than its factorization.

504234540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512 (or 2507 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 504234540 is about 22455.1673340459. The cubic root of 504234540 is about 795.9348679484.

Adding to 504234540 its reverse (45432405), we get a palindrome (549666945).

The spelling of 504234540 in words is "five hundred four million, two hundred thirty-four thousand, five hundred forty".