440042003 has 8 divisors (see below), whose sum is σ = 459463968. Its totient is φ = 420644224.

The previous prime is 440041981. The next prime is 440042011. The reversal of 440042003 is 300240044.

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

It is a cyclic number.

It is not a de Polignac number, because 440042003 - 2⁶ = 440041939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440042023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38075 + ... + 48267.

It is an arithmetic number, because the mean of its divisors is an integer number (57432996).

Almost surely, 2^440042003 is an apocalyptic number.

440042003 is a deficient number, since it is larger than the sum of its proper divisors (19421965).

440042003 is a wasteful number, since it uses less digits than its factorization.

440042003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12093.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 440042003 is about 20977.1781467384. The cubic root of 440042003 is about 760.6146937174.

Adding to 440042003 its reverse (300240044), we get a palindrome (740282047).

The spelling of 440042003 in words is "four hundred forty million, forty-two thousand, three".