504642340 has 48 divisors (see below), whose sum is σ = 1114948800. Its totient is φ = 191580032.

The previous prime is 504642329. The next prime is 504642389. The reversal of 504642340 is 43246405.

It is a junction number, because it is equal to n+sod(n) for n = 504642299 and 504642308.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 26847 + ... + 41593.

It is an arithmetic number, because the mean of its divisors is an integer number (23228100).

Almost surely, 2^504642340 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 504642340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (557474400).

504642340 is an abundant number, since it is smaller than the sum of its proper divisors (610306460).

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

504642340 is a wasteful number, since it uses less digits than its factorization.

504642340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14844 (or 14842 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 504642340 is about 22464.2458141821. The cubic root of 504642340 is about 796.1493810705.

Adding to 504642340 its reverse (43246405), we get a palindrome (547888745).

The spelling of 504642340 in words is "five hundred four million, six hundred forty-two thousand, three hundred forty".