385623316236 has 96 divisors (see below), whose sum is σ = 914696991936. Its totient is φ = 126430720000.

The previous prime is 385623316229. The next prime is 385623316259. The reversal of 385623316236 is 632613326583.

It is a super-2 number, since 2×385623316236² (a number of 24 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 147127006 + ... + 147129626.

It is an arithmetic number, because the mean of its divisors is an integer number (9528093666).

Almost surely, 2^385623316236 is an apocalyptic number.

It is an amenable number.

385623316236 is an abundant number, since it is smaller than the sum of its proper divisors (529073675700).

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

385623316236 is a wasteful number, since it uses less digits than its factorization.

385623316236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3483 (or 3481 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 48.

The spelling of 385623316236 in words is "three hundred eighty-five billion, six hundred twenty-three million, three hundred sixteen thousand, two hundred thirty-six".