2144364444 has 36 divisors (see below), whose sum is σ = 5422087944. Its totient is φ = 714575712.

The previous prime is 2144364437. The next prime is 2144364461. The reversal of 2144364444 is 4444634412.

2144364444 is a `hidden beast` number, since 2 + 1 + 4 + 4 + 3 + 644 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2144364399 and 2144364408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156019 + ... + 169205.

It is an arithmetic number, because the mean of its divisors is an integer number (150613554).

Almost surely, 2^2144364444 is an apocalyptic number.

It is an amenable number.

2144364444 is an abundant number, since it is smaller than the sum of its proper divisors (3277723500).

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

2144364444 is a wasteful number, since it uses less digits than its factorization.

2144364444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17714 (or 17709 counting only the distinct ones).

The product of its digits is 147456, while the sum is 36.

The square root of 2144364444 is about 46307.2828397435. The cubic root of 2144364444 is about 1289.5342035618.

Adding to 2144364444 its reverse (4444634412), we get a palindrome (6588998856).

The spelling of 2144364444 in words is "two billion, one hundred forty-four million, three hundred sixty-four thousand, four hundred forty-four".