4144504240 has 20 divisors (see below), whose sum is σ = 9635972544. Its totient is φ = 1657801664.

The previous prime is 4144504237. The next prime is 4144504249. The reversal of 4144504240 is 424054414.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 4144504199 and 4144504208.

It is not an unprimeable number, because it can be changed into a prime (4144504249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25903072 + ... + 25903231.

Almost surely, 2^4144504240 is an apocalyptic number.

4144504240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4144504240 is an abundant number, since it is smaller than the sum of its proper divisors (5491468304).

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

4144504240 is a wasteful number, since it uses less digits than its factorization.

4144504240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51806316 (or 51806310 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

The square root of 4144504240 is about 64377.8241322274. The cubic root of 4144504240 is about 1606.2908892779.

Adding to 4144504240 its reverse (424054414), we get a palindrome (4568558654).

The spelling of 4144504240 in words is "four billion, one hundred forty-four million, five hundred four thousand, two hundred forty".