506905369056 has 120 divisors (see below), whose sum is σ = 1555611949584. Its totient is φ = 161621982720.

The previous prime is 506905369043. The next prime is 506905369109. The reversal of 506905369056 is 650963509605.

506905369056 is a `hidden beast` number, since 50 + 6 + 9 + 0 + 536 + 9 + 0 + 56 = 666.

It is a super-2 number, since 2×506905369056² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 506905368993 and 506905369011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4191805 + ... + 4311036.

Almost surely, 2^506905369056 is an apocalyptic number.

It is an amenable number.

506905369056 is an abundant number, since it is smaller than the sum of its proper divisors (1048706580528).

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

506905369056 is a wasteful number, since it uses less digits than its factorization.

506905369056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8502886 (or 8502869 counting only the distinct ones).

The product of its (nonzero) digits is 6561000, while the sum is 54.

The spelling of 506905369056 in words is "five hundred six billion, nine hundred five million, three hundred sixty-nine thousand, fifty-six".