4231434420 has 36 divisors (see below), whose sum is σ = 12835351620. Its totient is φ = 1128382464.

The previous prime is 4231434413. The next prime is 4231434433. The reversal of 4231434420 is 244341324.

It is a happy number.

4231434420 is a `hidden beast` number, since 4 + 2 + 314 + 344 + 2 + 0 = 666.

4231434420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3176224164 + 1055210256 = 56358^2 + 32484^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11753805 + ... + 11754164.

It is an arithmetic number, because the mean of its divisors is an integer number (356537545).

Almost surely, 2^4231434420 is an apocalyptic number.

It is an amenable number.

4231434420 is an abundant number, since it is smaller than the sum of its proper divisors (8603917200).

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

4231434420 is a wasteful number, since it uses less digits than its factorization.

4231434420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23507984 (or 23507979 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 4231434420 is about 65049.4767081181. The cubic root of 4231434420 is about 1617.4438196898.

Adding to 4231434420 its reverse (244341324), we get a palindrome (4475775744).

The spelling of 4231434420 in words is "four billion, two hundred thirty-one million, four hundred thirty-four thousand, four hundred twenty".