2134240444 has 24 divisors (see below), whose sum is σ = 4269483008. Its totient is φ = 914459760.

The previous prime is 2134240439. The next prime is 2134240447. The reversal of 2134240444 is 4440424312.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134240447) 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, 190297 + ... + 201199.

Almost surely, 2^2134240444 is an apocalyptic number.

It is an amenable number.

2134240444 is an abundant number, since it is smaller than the sum of its proper divisors (2135242564).

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

2134240444 is a wasteful number, since it uses less digits than its factorization.

2134240444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17905 (or 17903 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 2134240444 is about 46197.8402525486. The cubic root of 2134240444 is about 1287.5016131440.

Adding to 2134240444 its reverse (4440424312), we get a palindrome (6574664756).

The spelling of 2134240444 in words is "two billion, one hundred thirty-four million, two hundred forty thousand, four hundred forty-four".