2042012445 has 32 divisors (see below), whose sum is σ = 3599558784. Its totient is φ = 980256000.

The previous prime is 2042012417. The next prime is 2042012449. The reversal of 2042012445 is 5442102402.

It is a happy number.

It is not a de Polignac number, because 2042012445 - 2⁷ = 2042012317 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042012449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44602 + ... + 77931.

It is an arithmetic number, because the mean of its divisors is an integer number (112486212).

Almost surely, 2^2042012445 is an apocalyptic number.

It is an amenable number.

2042012445 is a deficient number, since it is larger than the sum of its proper divisors (1557546339).

2042012445 is a wasteful number, since it uses less digits than its factorization.

2042012445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122653.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 2042012445 is about 45188.6318115519. The cubic root of 2042012445 is about 1268.6820487603.

Adding to 2042012445 its reverse (5442102402), we get a palindrome (7484114847).

The spelling of 2042012445 in words is "two billion, forty-two million, twelve thousand, four hundred forty-five".