2189414144 has 72 divisors (see below), whose sum is σ = 4517665152. Its totient is φ = 1058319360.

The previous prime is 2189414107. The next prime is 2189414147. The reversal of 2189414144 is 4414149812.

It is a junction number, because it is equal to n+sod(n) for n = 2189414098 and 2189414107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2189414147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1132859 + ... + 1134789.

Almost surely, 2^2189414144 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 2189414144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2258832576).

2189414144 is an abundant number, since it is smaller than the sum of its proper divisors (2328251008).

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

2189414144 is a wasteful number, since it uses less digits than its factorization.

2189414144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2093 (or 2079 counting only the distinct ones).

The product of its digits is 36864, while the sum is 38.

The square root of 2189414144 is about 46791.1759202523. The cubic root of 2189414144 is about 1298.5020505594.

The spelling of 2189414144 in words is "two billion, one hundred eighty-nine million, four hundred fourteen thousand, one hundred forty-four".