504444240 has 160 divisors (see below), whose sum is σ = 1744828800. Its totient is φ = 133954560.

The previous prime is 504444233. The next prime is 504444263. The reversal of 504444240 is 42444405.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 883155 + ... + 883725.

It is an arithmetic number, because the mean of its divisors is an integer number (10905180).

Almost surely, 2^504444240 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 504444240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (872414400).

504444240 is an abundant number, since it is smaller than the sum of its proper divisors (1240384560).

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

504444240 is a wasteful number, since it uses less digits than its factorization.

504444240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002 (or 990 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 504444240 is about 22459.8361525635. The cubic root of 504444240 is about 796.0451898959.

Adding to 504444240 its reverse (42444405), we get a palindrome (546888645).

It can be divided in two parts, 5044 and 44240, that added together give a square (49284 = 222²).

The spelling of 504444240 in words is "five hundred four million, four hundred forty-four thousand, two hundred forty".