4330400420 has 24 divisors (see below), whose sum is σ = 9102206904. Its totient is φ = 1730566656.

The previous prime is 4330400419. The next prime is 4330400423. The reversal of 4330400420 is 240040334.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2974393444 + 1356006976 = 54538^2 + 36824^2 .

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 = 4330400392 and 4330400401.

It is not an unprimeable number, because it can be changed into a prime (4330400423) 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, 77189 + ... + 120908.

It is an arithmetic number, because the mean of its divisors is an integer number (379258621).

Almost surely, 2^4330400420 is an apocalyptic number.

It is an amenable number.

4330400420 is an abundant number, since it is smaller than the sum of its proper divisors (4771806484).

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

4330400420 is a wasteful number, since it uses less digits than its factorization.

4330400420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199199 (or 199197 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 4330400420 is about 65805.7780137884. The cubic root of 4330400420 is about 1629.9565170881.

Adding to 4330400420 its reverse (240040334), we get a palindrome (4570440754).

The spelling of 4330400420 in words is "four billion, three hundred thirty million, four hundred thousand, four hundred twenty".