2144400032 has 24 divisors (see below), whose sum is σ = 4405345056. Its totient is φ = 1025582272.

The previous prime is 2144400029. The next prime is 2144400053. The reversal of 2144400032 is 2300044412.

It is a junction number, because it is equal to n+sod(n) for n = 2144399977 and 2144400013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1456058 + ... + 1457529.

It is an arithmetic number, because the mean of its divisors is an integer number (183556044).

Almost surely, 2^2144400032 is an apocalyptic number.

It is an amenable number.

2144400032 is an abundant number, since it is smaller than the sum of its proper divisors (2260945024).

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

2144400032 is a wasteful number, since it uses less digits than its factorization.

2144400032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2913620 (or 2913612 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2144400032 is about 46307.6670973609. The cubic root of 2144400032 is about 1289.5413372511.

Adding to 2144400032 its reverse (2300044412), we get a palindrome (4444444444).

The spelling of 2144400032 in words is "two billion, one hundred forty-four million, four hundred thousand, thirty-two".