4544140 has 12 divisors (see below), whose sum is σ = 9542736. Its totient is φ = 1817648.

The previous prime is 4544129. The next prime is 4544143. The reversal of 4544140 is 414454.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (4544143) 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, 113584 + ... + 113623.

It is an arithmetic number, because the mean of its divisors is an integer number (795228).

Almost surely, 2^4544140 is an apocalyptic number.

It is an amenable number.

4544140 is an abundant number, since it is smaller than the sum of its proper divisors (4998596).

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

4544140 is a wasteful number, since it uses less digits than its factorization.

4544140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227216 (or 227214 counting only the distinct ones).

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

The square root of 4544140 is about 2131.6988530278. The cubic root of 4544140 is about 165.6344109996.

Adding to 4544140 its reverse (414454), we get a palindrome (4958594).

The spelling of 4544140 in words is "four million, five hundred forty-four thousand, one hundred forty".