385473012920 has 64 divisors (see below), whose sum is σ = 909969258240. Its totient is φ = 146769177600.

The previous prime is 385473012857. The next prime is 385473012929. The reversal of 385473012920 is 29210374583.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385473012929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2472437 + ... + 2623716.

It is an arithmetic number, because the mean of its divisors is an integer number (14218269660).

Almost surely, 2^385473012920 is an apocalyptic number.

It is an amenable number.

385473012920 is an abundant number, since it is smaller than the sum of its proper divisors (524496245320).

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

385473012920 is a wasteful number, since it uses less digits than its factorization.

385473012920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5096256 (or 5096252 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 385473012920 in words is "three hundred eighty-five billion, four hundred seventy-three million, twelve thousand, nine hundred twenty".