522311464040 has 16 divisors (see below), whose sum is σ = 1175200794180. Its totient is φ = 208924585600.

The previous prime is 522311463997. The next prime is 522311464063. The reversal of 522311464040 is 40464113225.

It can be written as a sum of positive squares in 2 ways, for example, as 519405607204 + 2905856836 = 720698^2 + 53906^2 .

It is a junction number, because it is equal to n+sod(n) for n = 522311463988 and 522311464006.

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, 6528893261 + ... + 6528893340.

Almost surely, 2^522311464040 is an apocalyptic number.

It is an amenable number.

522311464040 is an abundant number, since it is smaller than the sum of its proper divisors (652889330140).

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

522311464040 is a wasteful number, since it uses less digits than its factorization.

522311464040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13057786612 (or 13057786608 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 522311464040 its reverse (40464113225), we get a palindrome (562775577265).

The spelling of 522311464040 in words is "five hundred twenty-two billion, three hundred eleven million, four hundred sixty-four thousand, forty".