4066667408 has 10 divisors (see below), whose sum is σ = 7879168134. Its totient is φ = 2033333696.

The previous prime is 4066667323. The next prime is 4066667441. The reversal of 4066667408 is 8047666604.

It can be written as a sum of positive squares in only one way, i.e., 3293382544 + 773284864 = 57388^2 + 27808^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127083341 + ... + 127083372.

Almost surely, 2^4066667408 is an apocalyptic number.

It is an amenable number.

4066667408 is a deficient number, since it is larger than the sum of its proper divisors (3812500726).

4066667408 is a wasteful number, since it uses less digits than its factorization.

4066667408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254166721 (or 254166715 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 47.

The square root of 4066667408 is about 63770.4273782135. The cubic root of 4066667408 is about 1596.1714985003.

The spelling of 4066667408 in words is "four billion, sixty-six million, six hundred sixty-seven thousand, four hundred eight".