384129573920 has 24 divisors (see below), whose sum is σ = 907506118764. Its totient is φ = 153651829504.

The previous prime is 384129573907. The next prime is 384129573923. The reversal of 384129573920 is 29375921483.

It can be written as a sum of positive squares in 2 ways, for example, as 379076638864 + 5052935056 = 615692^2 + 71084^2 .

It is not an unprimeable number, because it can be changed into a prime (384129573923) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1200404759 + ... + 1200405078.

Almost surely, 2^384129573920 is an apocalyptic number.

It is an amenable number.

384129573920 is an abundant number, since it is smaller than the sum of its proper divisors (523376544844).

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

384129573920 is a wasteful number, since it uses less digits than its factorization.

384129573920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2400809852 (or 2400809844 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 384129573920 in words is "three hundred eighty-four billion, one hundred twenty-nine million, five hundred seventy-three thousand, nine hundred twenty".