2144020434 has 24 divisors (see below), whose sum is σ = 4303787280. Its totient is φ = 712053720.

The previous prime is 2144020423. The next prime is 2144020457. The reversal of 2144020434 is 4340204412.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2207569 + ... + 2208539.

It is an arithmetic number, because the mean of its divisors is an integer number (179324470).

Almost surely, 2^2144020434 is an apocalyptic number.

2144020434 is an abundant number, since it is smaller than the sum of its proper divisors (2159766846).

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

2144020434 is an frugal number, since it uses more digits than its factorization.

2144020434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2326 (or 1355 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 2144020434 is about 46303.5682642278. The cubic root of 2144020434 is about 1289.4652419654.

Adding to 2144020434 its reverse (4340204412), we get a palindrome (6484224846).

The spelling of 2144020434 in words is "two billion, one hundred forty-four million, twenty thousand, four hundred thirty-four".