503032140 has 192 divisors, whose sum is σ = 1701342720. Its totient is φ = 122653440.

The previous prime is 503032139. The next prime is 503032151. The reversal of 503032140 is 41230305.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 919347 + ... + 919893.

It is an arithmetic number, because the mean of its divisors is an integer number (8861160).

Almost surely, 2^503032140 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 503032140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (850671360).

503032140 is an abundant number, since it is smaller than the sum of its proper divisors (1198310580).

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

503032140 is a wasteful number, since it uses less digits than its factorization.

503032140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 503032140 is about 22428.3780064453. The cubic root of 503032140 is about 795.3017010832.

Adding to 503032140 its reverse (41230305), we get a palindrome (544262445).

The spelling of 503032140 in words is "five hundred three million, thirty-two thousand, one hundred forty".