2042040044 has 36 divisors (see below), whose sum is σ = 3954128304. Its totient is φ = 922020000.

The previous prime is 2042039977. The next prime is 2042040047. The reversal of 2042040044 is 4400402402.

It is a junction number, because it is equal to n+sod(n) for n = 2042039998 and 2042040025.

It is not an unprimeable number, because it can be changed into a prime (2042040047) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 59114 + ... + 87054.

Almost surely, 2^2042040044 is an apocalyptic number.

It is an amenable number.

2042040044 is a deficient number, since it is larger than the sum of its proper divisors (1912088260).

2042040044 is a wasteful number, since it uses less digits than its factorization.

2042040044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28118 (or 28105 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 2042040044 is about 45188.9371859972. The cubic root of 2042040044 is about 1268.6877643961.

Adding to 2042040044 its reverse (4400402402), we get a palindrome (6442442446).

The spelling of 2042040044 in words is "two billion, forty-two million, forty thousand, forty-four", and thus it is an eban number.