385387134488 has 16 divisors (see below), whose sum is σ = 745910583360. Its totient is φ = 186477645600.

The previous prime is 385387134469. The next prime is 385387134491. The reversal of 385387134488 is 884431783583.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a self number, because there is not a number n which added to its sum of digits gives 385387134488.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 776989943 + ... + 776990438.

It is an arithmetic number, because the mean of its divisors is an integer number (46619411460).

Almost surely, 2^385387134488 is an apocalyptic number.

It is an amenable number.

385387134488 is a deficient number, since it is larger than the sum of its proper divisors (360523448872).

385387134488 is a wasteful number, since it uses less digits than its factorization.

385387134488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553980418 (or 1553980414 counting only the distinct ones).

The product of its digits is 61931520, while the sum is 62.

The spelling of 385387134488 in words is "three hundred eighty-five billion, three hundred eighty-seven million, one hundred thirty-four thousand, four hundred eighty-eight".