4066142241 has 32 divisors (see below), whose sum is σ = 6368237568. Its totient is φ = 2259308160.

The previous prime is 4066142231. The next prime is 4066142243. The reversal of 4066142241 is 1422416604.

It is a happy number.

It is not a de Polignac number, because 4066142241 - 2²⁵ = 4032587809 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4066142199 and 4066142208.

It is not an unprimeable number, because it can be changed into a prime (4066142243) 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, 256636 + ... + 272018.

It is an arithmetic number, because the mean of its divisors is an integer number (199007424).

Almost surely, 2^4066142241 is an apocalyptic number.

4066142241 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4066142241 is a deficient number, since it is larger than the sum of its proper divisors (2302095327).

4066142241 is a wasteful number, since it uses less digits than its factorization.

4066142241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15741.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 4066142241 is about 63766.3096078172. The cubic root of 4066142241 is about 1596.1027859977.

Adding to 4066142241 its reverse (1422416604), we get a palindrome (5488558845).

The spelling of 4066142241 in words is "four billion, sixty-six million, one hundred forty-two thousand, two hundred forty-one".