4040640606 has 64 divisors (see below), whose sum is σ = 8413943040. Its totient is φ = 1292778240.

The previous prime is 4040640589. The next prime is 4040640607. The reversal of 4040640606 is 6060460404.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040640607) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 5309266 + ... + 5310026.

It is an arithmetic number, because the mean of its divisors is an integer number (131467860).

Almost surely, 2^4040640606 is an apocalyptic number.

4040640606 is an abundant number, since it is smaller than the sum of its proper divisors (4373302434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4040640606 is a wasteful number, since it uses less digits than its factorization.

4040640606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 4040640606 is about 63566.0334298122. The cubic root of 4040640606 is about 1592.7590251847.

The spelling of 4040640606 in words is "four billion, forty million, six hundred forty thousand, six hundred six".