2003440142 has 32 divisors (see below), whose sum is σ = 3524359680. Its totient is φ = 844361280.

The previous prime is 2003440129. The next prime is 2003440151. The reversal of 2003440142 is 2410443002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31343 + ... + 70634.

It is an arithmetic number, because the mean of its divisors is an integer number (110136240).

Almost surely, 2^2003440142 is an apocalyptic number.

2003440142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2003440142 is a deficient number, since it is larger than the sum of its proper divisors (1520919538).

2003440142 is a wasteful number, since it uses less digits than its factorization.

2003440142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102056.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2003440142 is about 44759.8049817021. The cubic root of 2003440142 is about 1260.6430206594.

Adding to 2003440142 its reverse (2410443002), we get a palindrome (4413883144).

The spelling of 2003440142 in words is "two billion, three million, four hundred forty thousand, one hundred forty-two".