4331434420 has 24 divisors (see below), whose sum is σ = 9631072584. Its totient is φ = 1630657536.

The previous prime is 4331434391. The next prime is 4331434423. The reversal of 4331434420 is 244341334.

It can be written as a sum of positive squares in 4 ways, for example, as 724471056 + 3606963364 = 26916^2 + 60058^2 .

It is a super-2 number, since 2×4331434420² = 37522648269521472800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4331434423) 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, 6369417 + ... + 6370096.

It is an arithmetic number, because the mean of its divisors is an integer number (401294691).

Almost surely, 2^4331434420 is an apocalyptic number.

It is an amenable number.

4331434420 is an abundant number, since it is smaller than the sum of its proper divisors (5299638164).

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

4331434420 is a wasteful number, since it uses less digits than its factorization.

4331434420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12739539 (or 12739537 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 4331434420 is about 65813.6339978275. The cubic root of 4331434420 is about 1630.0862388036.

Adding to 4331434420 its reverse (244341334), we get a palindrome (4575775754).

The spelling of 4331434420 in words is "four billion, three hundred thirty-one million, four hundred thirty-four thousand, four hundred twenty".