4040404036 has 24 divisors (see below), whose sum is σ = 7445147360. Its totient is φ = 1913284800.

The previous prime is 4040404031. The next prime is 4040404063. The reversal of 4040404036 is 6304040404.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4040404036.

It is not an unprimeable number, because it can be changed into a prime (4040404031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331531 + ... + 343501.

Almost surely, 2^4040404036 is an apocalyptic number.

It is an amenable number.

4040404036 is a deficient number, since it is larger than the sum of its proper divisors (3404743324).

4040404036 is a wasteful number, since it uses less digits than its factorization.

4040404036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16435 (or 16433 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 4040404036 is about 63564.1725817303. The cubic root of 4040404036 is about 1592.7279404803.

The spelling of 4040404036 in words is "four billion, forty million, four hundred four thousand, thirty-six".