506431140 has 48 divisors (see below), whose sum is σ = 1435105728. Its totient is φ = 133419904.

The previous prime is 506431129. The next prime is 506431151. The reversal of 506431140 is 41134605.

It is an interprime number because it is at equal distance from previous prime (506431129) and next prime (506431151).

It is a self number, because there is not a number n which added to its sum of digits gives 506431140.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45867 + ... + 55826.

It is an arithmetic number, because the mean of its divisors is an integer number (29898036).

Almost surely, 2^506431140 is an apocalyptic number.

It is an amenable number.

506431140 is an abundant number, since it is smaller than the sum of its proper divisors (928674588).

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

506431140 is a wasteful number, since it uses less digits than its factorization.

506431140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101788 (or 101786 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 506431140 is about 22504.0249733242. The cubic root of 506431140 is about 797.0889723288.

Adding to 506431140 its reverse (41134605), we get a palindrome (547565745).

The spelling of 506431140 in words is "five hundred six million, four hundred thirty-one thousand, one hundred forty".