385105381336 has 32 divisors (see below), whose sum is σ = 811426059360. Its totient is φ = 170013076992.

The previous prime is 385105381289. The next prime is 385105381411. The reversal of 385105381336 is 633183501583.

It is a Harshad number since it is a multiple of its sum of digits (46).

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 7 ways as a sum of consecutive naturals, for example, 80496225 + ... + 80501008.

It is an arithmetic number, because the mean of its divisors is an integer number (25357064355).

Almost surely, 2^385105381336 is an apocalyptic number.

It is an amenable number.

385105381336 is an abundant number, since it is smaller than the sum of its proper divisors (426320678024).

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

385105381336 is a wasteful number, since it uses less digits than its factorization.

385105381336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160997275 (or 160997271 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 385105381336 in words is "three hundred eighty-five billion, one hundred five million, three hundred eighty-one thousand, three hundred thirty-six".