4002067406 has 8 divisors (see below), whose sum is σ = 6025418280. Its totient is φ = 1993594648.

The previous prime is 4002067387. The next prime is 4002067417. The reversal of 4002067406 is 6047602004.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3718856 + ... + 3719931.

It is an arithmetic number, because the mean of its divisors is an integer number (753177285).

Almost surely, 2^4002067406 is an apocalyptic number.

4002067406 is a deficient number, since it is larger than the sum of its proper divisors (2023350874).

4002067406 is a wasteful number, since it uses less digits than its factorization.

4002067406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7439058.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 4002067406 is about 63261.8953715426. The cubic root of 4002067406 is about 1587.6744884032.

The spelling of 4002067406 in words is "four billion, two million, sixty-seven thousand, four hundred six".