385116394538 has 8 divisors (see below), whose sum is σ = 578144631780. Its totient is φ = 192401517280.

The previous prime is 385116394529. The next prime is 385116394543. The reversal of 385116394538 is 835493611583.

It can be written as a sum of positive squares in 2 ways, for example, as 287074138849 + 98042255689 = 535793^2 + 313117^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 78336923 + ... + 78341838.

Almost surely, 2^385116394538 is an apocalyptic number.

385116394538 is a deficient number, since it is larger than the sum of its proper divisors (193028237242).

385116394538 is a wasteful number, since it uses less digits than its factorization.

385116394538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156679992.

The product of its digits is 9331200, while the sum is 56.

The spelling of 385116394538 in words is "three hundred eighty-five billion, one hundred sixteen million, three hundred ninety-four thousand, five hundred thirty-eight".