4540442 has 8 divisors (see below), whose sum is σ = 6820896. Its totient is φ = 2266812.

The previous prime is 4540439. The next prime is 4540469. The reversal of 4540442 is 2440454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4540442² = 41231227110728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 563 + ... + 3065.

It is an arithmetic number, because the mean of its divisors is an integer number (852612).

Almost surely, 2^4540442 is an apocalyptic number.

4540442 is a deficient number, since it is larger than the sum of its proper divisors (2280454).

4540442 is a wasteful number, since it uses less digits than its factorization.

4540442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3412.

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 4540442 is about 2130.8312931811. The cubic root of 4540442 is about 165.5894679681.

Adding to 4540442 its reverse (2440454), we get a palindrome (6980896).

The spelling of 4540442 in words is "four million, five hundred forty thousand, four hundred forty-two".