4066394178 has 64 divisors (see below), whose sum is σ = 10147968000. Its totient is φ = 1055332800.

The previous prime is 4066394159. The next prime is 4066394179. The reversal of 4066394178 is 8714936604.

It is a super-2 number, since 2×4066394178² = 33071123221744591368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4066394179) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 704448 + ... + 710196.

It is an arithmetic number, because the mean of its divisors is an integer number (158562000).

Almost surely, 2^4066394178 is an apocalyptic number.

4066394178 is an abundant number, since it is smaller than the sum of its proper divisors (6081573822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4066394178 is a wasteful number, since it uses less digits than its factorization.

4066394178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7303.

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 4066394178 is about 63768.2850482903. The cubic root of 4066394178 is about 1596.1357500063.

The spelling of 4066394178 in words is "four billion, sixty-six million, three hundred ninety-four thousand, one hundred seventy-eight".