385804646384 has 160 divisors (see below), whose sum is σ = 804792240000. Its totient is φ = 178827264000.

The previous prime is 385804646309. The next prime is 385804646387. The reversal of 385804646384 is 483646408583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385804646387) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 382362872 + ... + 382363880.

It is an arithmetic number, because the mean of its divisors is an integer number (5029951500).

Almost surely, 2^385804646384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 385804646384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (402396120000).

385804646384 is an abundant number, since it is smaller than the sum of its proper divisors (418987593616).

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

385804646384 is a wasteful number, since it uses less digits than its factorization.

385804646384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387 (or 1381 counting only the distinct ones).

The product of its (nonzero) digits is 53084160, while the sum is 59.

The spelling of 385804646384 in words is "three hundred eighty-five billion, eight hundred four million, six hundred forty-six thousand, three hundred eighty-four".