506540633128 has 16 divisors (see below), whose sum is σ = 949849272000. Its totient is φ = 253247493936.

The previous prime is 506540633117. The next prime is 506540633141. The reversal of 506540633128 is 821336045605.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2758318 + ... + 2936221.

It is an arithmetic number, because the mean of its divisors is an integer number (59365579500).

Almost surely, 2^506540633128 is an apocalyptic number.

It is an amenable number.

506540633128 is a deficient number, since it is larger than the sum of its proper divisors (443308638872).

506540633128 is a wasteful number, since it uses less digits than its factorization.

506540633128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5705664 (or 5705660 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 506540633128 in words is "five hundred six billion, five hundred forty million, six hundred thirty-three thousand, one hundred twenty-eight".