506303140 has 96 divisors (see below), whose sum is σ = 1281821184. Its totient is φ = 164229120.

The previous prime is 506303099. The next prime is 506303143. The reversal of 506303140 is 41303605.

It is not an unprimeable number, because it can be changed into a prime (506303143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 311530 + ... + 313150.

It is an arithmetic number, because the mean of its divisors is an integer number (13352304).

Almost surely, 2^506303140 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 506303140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (640910592).

506303140 is an abundant number, since it is smaller than the sum of its proper divisors (775518044).

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

506303140 is a wasteful number, since it uses less digits than its factorization.

506303140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1757 (or 1755 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 506303140 is about 22501.1808579017. The cubic root of 506303140 is about 797.0218121712.

Adding to 506303140 its reverse (41303605), we get a palindrome (547606745).

The spelling of 506303140 in words is "five hundred six million, three hundred three thousand, one hundred forty".