504212540 has 24 divisors (see below), whose sum is σ = 1140296640. Its totient is φ = 186170688.

The previous prime is 504212521. The next prime is 504212549. The reversal of 504212540 is 45212405.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504212549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 969380 + ... + 969899.

It is an arithmetic number, because the mean of its divisors is an integer number (47512360).

Almost surely, 2^504212540 is an apocalyptic number.

It is an amenable number.

504212540 is an abundant number, since it is smaller than the sum of its proper divisors (636084100).

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

504212540 is a wasteful number, since it uses less digits than its factorization.

504212540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939301 (or 1939299 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 504212540 is about 22454.6774637268. The cubic root of 504212540 is about 795.9232921040.

Adding to 504212540 its reverse (45212405), we get a palindrome (549424945).

The spelling of 504212540 in words is "five hundred four million, two hundred twelve thousand, five hundred forty".