504205140 has 24 divisors (see below), whose sum is σ = 1411774560. Its totient is φ = 134454688.

The previous prime is 504205099. The next prime is 504205153. The reversal of 504205140 is 41502405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4201650 + ... + 4201769.

It is an arithmetic number, because the mean of its divisors is an integer number (58823940).

Almost surely, 2^504205140 is an apocalyptic number.

It is an amenable number.

504205140 is an abundant number, since it is smaller than the sum of its proper divisors (907569420).

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

504205140 is a wasteful number, since it uses less digits than its factorization.

504205140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8403431 (or 8403429 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 504205140 is about 22454.5126867630. The cubic root of 504205140 is about 795.9193983352.

Adding to 504205140 its reverse (41502405), we get a palindrome (545707545).

The spelling of 504205140 in words is "five hundred four million, two hundred five thousand, one hundred forty".