2000042445 has 32 divisors (see below), whose sum is σ = 3278639232. Its totient is φ = 1040562432.

The previous prime is 2000042423. The next prime is 2000042461. The reversal of 2000042445 is 5442400002.

It is not a de Polignac number, because 2000042445 - 2⁸ = 2000042189 is a prime.

It is a congruent number.

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 in 31 ways as a sum of consecutive naturals, for example, 703567 + ... + 706403.

It is an arithmetic number, because the mean of its divisors is an integer number (102457476).

Almost surely, 2^2000042445 is an apocalyptic number.

It is an amenable number.

2000042445 is a deficient number, since it is larger than the sum of its proper divisors (1278596787).

2000042445 is a wasteful number, since it uses less digits than its factorization.

2000042445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3981.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 2000042445 is about 44721.8340970046. The cubic root of 2000042445 is about 1259.9299627233.

Adding to 2000042445 its reverse (5442400002), we get a palindrome (7442442447).

The spelling of 2000042445 in words is "two billion, forty-two thousand, four hundred forty-five".