503115333140240 has 160 divisors (see below), whose sum is σ = 1196107475936256. Its totient is φ = 196760836546560.

The previous prime is 503115333140207. The next prime is 503115333140263. The reversal of 503115333140240 is 42041333511305.

It is a self number, because there is not a number n which added to its sum of digits gives 503115333140240.

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, 390255905 + ... + 391542975.

Almost surely, 2^{503115333140240} 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 503115333140240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (598053737968128).

503115333140240 is an abundant number, since it is smaller than the sum of its proper divisors (692992142796016).

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

503115333140240 is a wasteful number, since it uses less digits than its factorization.

503115333140240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287697 (or 1287691 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 503115333140240 its reverse (42041333511305), we get a palindrome (545156666651545).

The spelling of 503115333140240 in words is "five hundred three trillion, one hundred fifteen billion, three hundred thirty-three million, one hundred forty thousand, two hundred forty".