42004044004 has 12 divisors (see below), whose sum is σ = 79161467644. Its totient is φ = 19386481824.

The previous prime is 42004044001. The next prime is 42004044007. The reversal of 42004044004 is 40044040024.

42004044004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42004044001) and next prime (42004044007).

It can be written as a sum of positive squares in 2 ways, for example, as 2601000000 + 39403044004 = 51000^2 + 198502^2 .

It is not an unprimeable number, because it can be changed into a prime (42004044001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403884987 + ... + 403885090.

Almost surely, 2^42004044004 is an apocalyptic number.

It is an amenable number.

42004044004 is a deficient number, since it is larger than the sum of its proper divisors (37157423640).

42004044004 is a wasteful number, since it uses less digits than its factorization.

42004044004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807770094 (or 807770092 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 42004044004 its reverse (40044040024), we get a palindrome (82048084028).

The spelling of 42004044004 in words is "forty-two billion, four million, forty-four thousand, four", and thus it is an eban number.