2040382042 has 4 divisors (see below), whose sum is σ = 3060573066. Its totient is φ = 1020191020.

The previous prime is 2040382031. The next prime is 2040382079. The reversal of 2040382042 is 2402830402.

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., 2037529321 + 2852721 = 45139^2 + 1689^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2040381998 and 2040382016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510095509 + ... + 510095512.

Almost surely, 2^2040382042 is an apocalyptic number.

2040382042 is a deficient number, since it is larger than the sum of its proper divisors (1020191024).

2040382042 is a wasteful number, since it uses less digits than its factorization.

2040382042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020191023.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 2040382042 is about 45170.5882405797. The cubic root of 2040382042 is about 1268.3443077939.

The spelling of 2040382042 in words is "two billion, forty million, three hundred eighty-two thousand, forty-two".