4144540 has 12 divisors (see below), whose sum is σ = 8703576. Its totient is φ = 1657808.

The previous prime is 4144537. The next prime is 4144541. The reversal of 4144540 is 454414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4144541) 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, 103594 + ... + 103633.

It is an arithmetic number, because the mean of its divisors is an integer number (725298).

Almost surely, 2^4144540 is an apocalyptic number.

It is an amenable number.

4144540 is an abundant number, since it is smaller than the sum of its proper divisors (4559036).

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

4144540 is a wasteful number, since it uses less digits than its factorization.

4144540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207236 (or 207234 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 4144540 is about 2035.8143333811. The cubic root of 4144540 is about 160.6295509114.

Adding to 4144540 its reverse (454414), we get a palindrome (4598954).

The spelling of 4144540 in words is "four million, one hundred forty-four thousand, five hundred forty".