2381878184 has 48 divisors (see below), whose sum is σ = 5151138720. Its totient is φ = 1011467520.

The previous prime is 2381878153. The next prime is 2381878189. The reversal of 2381878184 is 4818781832.

2381878184 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2381878189) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 713399 + ... + 716729.

It is an arithmetic number, because the mean of its divisors is an integer number (107315390).

Almost surely, 2^2381878184 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 2381878184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2575569360).

2381878184 is an abundant number, since it is smaller than the sum of its proper divisors (2769260536).

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

2381878184 is a wasteful number, since it uses less digits than its factorization.

2381878184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3570 (or 3453 counting only the distinct ones).

The product of its digits is 688128, while the sum is 50.

The square root of 2381878184 is about 48804.4893836622. The cubic root of 2381878184 is about 1335.4875659757.

The spelling of 2381878184 in words is "two billion, three hundred eighty-one million, eight hundred seventy-eight thousand, one hundred eighty-four".