506478487236 has 48 divisors (see below), whose sum is σ = 1196328006720. Its totient is φ = 166760657280.

The previous prime is 506478487223. The next prime is 506478487259. The reversal of 506478487236 is 632784874605.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 506478487236.

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, 442075 + ... + 1099266.

It is an arithmetic number, because the mean of its divisors is an integer number (24923500140).

Almost surely, 2^506478487236 is an apocalyptic number.

It is an amenable number.

506478487236 is an abundant number, since it is smaller than the sum of its proper divisors (689849519484).

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

506478487236 is a wasteful number, since it uses less digits than its factorization.

506478487236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541684 (or 1541682 counting only the distinct ones).

The product of its (nonzero) digits is 54190080, while the sum is 60.

The spelling of 506478487236 in words is "five hundred six billion, four hundred seventy-eight million, four hundred eighty-seven thousand, two hundred thirty-six".