4235440231 has 8 divisors (see below), whose sum is σ = 4892273424. Its totient is φ = 3623905920.

The previous prime is 4235440219. The next prime is 4235440241. The reversal of 4235440231 is 1320445324.

It is a happy number.

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 4235440231 - 2⁵ = 4235440199 is a prime.

It is a super-2 number, since 2×4235440231² = 35877907900746666722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4235440231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4235440211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11324520 + ... + 11324893.

It is an arithmetic number, because the mean of its divisors is an integer number (611534178).

Almost surely, 2^4235440231 is an apocalyptic number.

4235440231 is a deficient number, since it is larger than the sum of its proper divisors (656833193).

4235440231 is a wasteful number, since it uses less digits than its factorization.

4235440231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22649441.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 4235440231 is about 65080.2599180427. The cubic root of 4235440231 is about 1617.9540588593.

Adding to 4235440231 its reverse (1320445324), we get a palindrome (5555885555).

The spelling of 4235440231 in words is "four billion, two hundred thirty-five million, four hundred forty thousand, two hundred thirty-one".