4440142 has 16 divisors (see below), whose sum is σ = 7649280. Its totient is φ = 1893528.

The previous prime is 4440133. The next prime is 4440169. The reversal of 4440142 is 2410444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2683 + ... + 4009.

It is an arithmetic number, because the mean of its divisors is an integer number (478080).

Almost surely, 2^4440142 is an apocalyptic number.

4440142 is a deficient number, since it is larger than the sum of its proper divisors (3209138).

4440142 is a wasteful number, since it uses less digits than its factorization.

4440142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 4440142 is about 2107.1644454100. The cubic root of 4440142 is about 164.3610674577.

Adding to 4440142 its reverse (2410444), we get a palindrome (6850586).

It can be divided in two parts, 44 and 40142, that added together give a triangular number (40186 = T₂₈₃).

The spelling of 4440142 in words is "four million, four hundred forty thousand, one hundred forty-two".