503000240 has 40 divisors (see below), whose sum is σ = 1196680848. Its totient is φ = 196519680.

The previous prime is 503000231. The next prime is 503000287. The reversal of 503000240 is 42000305.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69671 + ... + 76550.

Almost surely, 2^503000240 is an apocalyptic number.

It is an amenable number.

503000240 is an abundant number, since it is smaller than the sum of its proper divisors (693680608).

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

503000240 is a wasteful number, since it uses less digits than its factorization.

503000240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146277 (or 146271 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 503000240 is about 22427.6668425407. Note that the first 3 decimals coincide. The cubic root of 503000240 is about 795.2848892611.

Adding to 503000240 its reverse (42000305), we get a palindrome (545000545).

The spelling of 503000240 in words is "five hundred three million, two hundred forty", and thus it is an aban number.