385284007812 has 96 divisors (see below), whose sum is σ = 993109138560. Its totient is φ = 115285524480.

The previous prime is 385284007799. The next prime is 385284007817. The reversal of 385284007812 is 218700482583.

It is not an unprimeable number, because it can be changed into a prime (385284007817) 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, 4169988 + ... + 4261380.

It is an arithmetic number, because the mean of its divisors is an integer number (10344886860).

Almost surely, 2^385284007812 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 385284007812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (496554569280).

385284007812 is an abundant number, since it is smaller than the sum of its proper divisors (607825130748).

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

385284007812 is a wasteful number, since it uses less digits than its factorization.

385284007812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91813 (or 91811 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 48.

The spelling of 385284007812 in words is "three hundred eighty-five billion, two hundred eighty-four million, seven thousand, eight hundred twelve".