4006404266666 has 8 divisors (see below), whose sum is σ = 6010337609280. Its totient is φ = 2002958396908.

The previous prime is 4006404266651. The next prime is 4006404266671. The reversal of 4006404266666 is 6666624046004.

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, 121847666 + ... + 121880541.

It is an arithmetic number, because the mean of its divisors is an integer number (751292201160).

Almost surely, 2^{4006404266666} is an apocalyptic number.

4006404266666 is a deficient number, since it is larger than the sum of its proper divisors (2003933342614).

4006404266666 is a wasteful number, since it uses less digits than its factorization.

4006404266666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243736428.

The product of its (nonzero) digits is 5971968, while the sum is 50.

The spelling of 4006404266666 in words is "four trillion, six billion, four hundred four million, two hundred sixty-six thousand, six hundred sixty-six".