4066422345 has 40 divisors (see below), whose sum is σ = 7294252680. Its totient is φ = 2167326720.

The previous prime is 4066422341. The next prime is 4066422391. The reversal of 4066422345 is 5432246604.

4066422345 is a `hidden beast` number, since 4 + 0 + 6 + 642 + 2 + 3 + 4 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1566022329 + 2500400016 = 39573^2 + 50004^2 .

It is not a de Polignac number, because 4066422345 - 2² = 4066422341 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4066422341) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 945961 + ... + 950249.

It is an arithmetic number, because the mean of its divisors is an integer number (182356317).

Almost surely, 2^4066422345 is an apocalyptic number.

4066422345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4066422345 is a deficient number, since it is larger than the sum of its proper divisors (3227830335).

4066422345 is a wasteful number, since it uses less digits than its factorization.

4066422345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6647 (or 6638 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The square root of 4066422345 is about 63768.5059022085. The cubic root of 4066422345 is about 1596.1394353558.

Adding to 4066422345 its reverse (5432246604), we get a palindrome (9498668949).

The spelling of 4066422345 in words is "four billion, sixty-six million, four hundred twenty-two thousand, three hundred forty-five".