4230140420 has 24 divisors (see below), whose sum is σ = 9690867648. Its totient is φ = 1538232800.

The previous prime is 4230140377. The next prime is 4230140429. The reversal of 4230140420 is 240410324.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4230140392 and 4230140401.

It is not an unprimeable number, because it can be changed into a prime (4230140429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9613736 + ... + 9614175.

It is an arithmetic number, because the mean of its divisors is an integer number (403786152).

Almost surely, 2^4230140420 is an apocalyptic number.

It is an amenable number.

4230140420 is an abundant number, since it is smaller than the sum of its proper divisors (5460727228).

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

4230140420 is a wasteful number, since it uses less digits than its factorization.

4230140420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19227931 (or 19227929 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4230140420 is about 65039.5296723462. The cubic root of 4230140420 is about 1617.2789279549.

Adding to 4230140420 its reverse (240410324), we get a palindrome (4470550744).

The spelling of 4230140420 in words is "four billion, two hundred thirty million, one hundred forty thousand, four hundred twenty".