4040994004 has 12 divisors (see below), whose sum is σ = 7144644724. Its totient is φ = 1999666944.

The previous prime is 4040993987. The next prime is 4040994011. The reversal of 4040994004 is 4004990404.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2490209604 + 1550784400 = 49902^2 + 39380^2 .

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 5207079 + ... + 5207854.

Almost surely, 2^4040994004 is an apocalyptic number.

It is an amenable number.

4040994004 is a deficient number, since it is larger than the sum of its proper divisors (3103650720).

4040994004 is a wasteful number, since it uses less digits than its factorization.

4040994004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10415034 (or 10415032 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 4040994004 is about 63568.8131397779. The cubic root of 4040994004 is about 1592.8054585352.

The spelling of 4040994004 in words is "four billion, forty million, nine hundred ninety-four thousand, four".