4040047607666 has 32 divisors (see below), whose sum is σ = 7291213522560. Its totient is φ = 1640117120256.

The previous prime is 4040047607633. The next prime is 4040047607677. The reversal of 4040047607666 is 6667067400404.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1223546 + ... + 3094698.

It is an arithmetic number, because the mean of its divisors is an integer number (227850422580).

Almost surely, 2^{4040047607666} is an apocalyptic number.

4040047607666 is a deficient number, since it is larger than the sum of its proper divisors (3251165914894).

4040047607666 is a wasteful number, since it uses less digits than its factorization.

4040047607666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879298.

The product of its (nonzero) digits is 4064256, while the sum is 50.

The spelling of 4040047607666 in words is "four trillion, forty billion, forty-seven million, six hundred seven thousand, six hundred sixty-six".