385212508188 has 24 divisors (see below), whose sum is σ = 902410185600. Its totient is φ = 127892598000.

The previous prime is 385212508169. The next prime is 385212508201. The reversal of 385212508188 is 881805212583.

It is a self number, because there is not a number n which added to its sum of digits gives 385212508188.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63943288 + ... + 63949311.

It is an arithmetic number, because the mean of its divisors is an integer number (37600424400).

Almost surely, 2^385212508188 is an apocalyptic number.

It is an amenable number.

385212508188 is an abundant number, since it is smaller than the sum of its proper divisors (517197677412).

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

385212508188 is a wasteful number, since it uses less digits than its factorization.

385212508188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127892857 (or 127892855 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 51.

The spelling of 385212508188 in words is "three hundred eighty-five billion, two hundred twelve million, five hundred eight thousand, one hundred eighty-eight".