2000040442 has 4 divisors (see below), whose sum is σ = 3000060666. Its totient is φ = 1000020220.

The previous prime is 2000040431. The next prime is 2000040457. The reversal of 2000040442 is 2440400002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1599280081 + 400760361 = 39991^2 + 20019^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500010109 + ... + 500010112.

Almost surely, 2^2000040442 is an apocalyptic number.

2000040442 is a deficient number, since it is larger than the sum of its proper divisors (1000020224).

2000040442 is a wasteful number, since it uses less digits than its factorization.

2000040442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000020223.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 2000040442 is about 44721.8117030158. The cubic root of 2000040442 is about 1259.9295421255.

Adding to 2000040442 its reverse (2440400002), we get a palindrome (4440440444).

The spelling of 2000040442 in words is "two billion, forty thousand, four hundred forty-two".