385909607128 has 64 divisors (see below), whose sum is σ = 750823020000. Its totient is φ = 185731832832.

The previous prime is 385909607117. The next prime is 385909607177. The reversal of 385909607128 is 821706909583.

It is a Harshad number since it is a multiple of its sum of digits (58).

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 15 ways as a sum of consecutive naturals, for example, 151395198 + ... + 151397746.

Almost surely, 2^385909607128 is an apocalyptic number.

It is an amenable number.

385909607128 is a deficient number, since it is larger than the sum of its proper divisors (364913412872).

385909607128 is a wasteful number, since it uses less digits than its factorization.

385909607128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4324 (or 4320 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 58.

The spelling of 385909607128 in words is "three hundred eighty-five billion, nine hundred nine million, six hundred seven thousand, one hundred twenty-eight".