503218240 has 168 divisors, whose sum is σ = 1417685760. Its totient is φ = 169602048.

The previous prime is 503218231. The next prime is 503218271. The reversal of 503218240 is 42812305.

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 23 ways as a sum of consecutive naturals, for example, 1050321 + ... + 1050799.

Almost surely, 2^503218240 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 503218240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (708842880).

503218240 is an abundant number, since it is smaller than the sum of its proper divisors (914467520).

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

503218240 is a wasteful number, since it uses less digits than its factorization.

503218240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577 (or 560 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 503218240 is about 22432.5263846942. The cubic root of 503218240 is about 795.3997646638.

The spelling of 503218240 in words is "five hundred three million, two hundred eighteen thousand, two hundred forty".