4540444 has 6 divisors (see below), whose sum is σ = 7945784. Its totient is φ = 2270220.

The previous prime is 4540439. The next prime is 4540469. The reversal of 4540444 is 4440454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567552 + ... + 567559.

Almost surely, 2^4540444 is an apocalyptic number.

It is an amenable number.

4540444 is a deficient number, since it is larger than the sum of its proper divisors (3405340).

4540444 is a wasteful number, since it uses less digits than its factorization.

4540444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135115 (or 1135113 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 4540444 is about 2130.8317624815. The cubic root of 4540444 is about 165.5894922814.

Adding to 4540444 its reverse (4440454), we get a palindrome (8980898).

The spelling of 4540444 in words is "four million, five hundred forty thousand, four hundred forty-four".