4142440231 has 8 divisors (see below), whose sum is σ = 4329544320. Its totient is φ = 3955919352.

The previous prime is 4142440223. The next prime is 4142440241. The reversal of 4142440231 is 1320442414.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4142440231 - 2³ = 4142440223 is a prime.

It is a super-2 number, since 2×4142440231² = 34319622134814666722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4142440196 and 4142440205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4142440241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131245 + ... + 159718.

It is an arithmetic number, because the mean of its divisors is an integer number (541193040).

Almost surely, 2^4142440231 is an apocalyptic number.

4142440231 is a deficient number, since it is larger than the sum of its proper divisors (187104089).

4142440231 is a wasteful number, since it uses less digits than its factorization.

4142440231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291605.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 4142440231 is about 64361.7917012881. The cubic root of 4142440231 is about 1606.0241947848.

Adding to 4142440231 its reverse (1320442414), we get a palindrome (5462882645).

The spelling of 4142440231 in words is "four billion, one hundred forty-two million, four hundred forty thousand, two hundred thirty-one".