4006666402 has 8 divisors (see below), whose sum is σ = 6010500816. Its totient is φ = 2003166132.

The previous prime is 4006666381. The next prime is 4006666441. The reversal of 4006666402 is 2046666004.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51028 + ... + 103039.

It is an arithmetic number, because the mean of its divisors is an integer number (751312602).

Almost surely, 2^4006666402 is an apocalyptic number.

4006666402 is a deficient number, since it is larger than the sum of its proper divisors (2003834414).

4006666402 is a wasteful number, since it uses less digits than its factorization.

4006666402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167072.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 4006666402 is about 63298.2337984244. The cubic root of 4006666402 is about 1588.2824169839.

The spelling of 4006666402 in words is "four billion, six million, six hundred sixty-six thousand, four hundred two".