4006640202 has 8 divisors (see below), whose sum is σ = 8013280416. Its totient is φ = 1335546732.

The previous prime is 4006640149. The next prime is 4006640233. The reversal of 4006640202 is 2020466004.

It is a sphenic number, since it is the product of 3 distinct primes.

4006640202 is an admirable 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, 333886678 + ... + 333886689.

It is an arithmetic number, because the mean of its divisors is an integer number (1001660052).

Almost surely, 2^4006640202 is an apocalyptic number.

4006640202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4006640202 is a wasteful number, since it uses less digits than its factorization.

4006640202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667773372.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 4006640202 is about 63298.0268412847. The cubic root of 4006640202 is about 1588.2789549961.

The spelling of 4006640202 in words is "four billion, six million, six hundred forty thousand, two hundred two".