385471445808 has 240 divisors, whose sum is σ = 1112482844160. Its totient is φ = 114607664640.

The previous prime is 385471445797. The next prime is 385471445831. The reversal of 385471445808 is 808544174583.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32422041 + ... + 32433927.

It is an arithmetic number, because the mean of its divisors is an integer number (4635345184).

Almost surely, 2^385471445808 is an apocalyptic number.

385471445808 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 385471445808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (556241422080).

385471445808 is an abundant number, since it is smaller than the sum of its proper divisors (727011398352).

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

385471445808 is a wasteful number, since it uses less digits than its factorization.

385471445808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12016 (or 11979 counting only the distinct ones).

The product of its (nonzero) digits is 17203200, while the sum is 57.

The spelling of 385471445808 in words is "three hundred eighty-five billion, four hundred seventy-one million, four hundred forty-five thousand, eight hundred eight".