508641435864 has 48 divisors (see below), whose sum is σ = 1377616776120. Its totient is φ = 169541456640.

The previous prime is 508641435859. The next prime is 508641435947. The reversal of 508641435864 is 468534146805.

508641435864 is a `hidden beast` number, since 50 + 8 + 6 + 4 + 1 + 4 + 3 + 586 + 4 = 666.

It is a super-2 number, since 2×508641435864² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 508641435864.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2416159 + ... + 2618225.

Almost surely, 2^508641435864 is an apocalyptic number.

It is an amenable number.

508641435864 is an abundant number, since it is smaller than the sum of its proper divisors (868975340256).

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

508641435864 is a wasteful number, since it uses less digits than its factorization.

508641435864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237040 (or 237033 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 54.

The spelling of 508641435864 in words is "five hundred eight billion, six hundred forty-one million, four hundred thirty-five thousand, eight hundred sixty-four".