4243420000 has 120 divisors (see below), whose sum is σ = 10487324232. Its totient is φ = 1689600000.

The previous prime is 4243419979. The next prime is 4243420001. The reversal of 4243420000 is 243424.

It is a super-2 number, since 2×4243420000² = 36013226592800000000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4243420000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243420001) 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 19 ways as a sum of consecutive naturals, for example, 6619680 + ... + 6620320.

Almost surely, 2^4243420000 is an apocalyptic number.

4243420000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4243420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5243662116).

4243420000 is an abundant number, since it is smaller than the sum of its proper divisors (6243904232).

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

4243420000 is an equidigital number, since it uses as much as digits as its factorization.

4243420000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002 (or 979 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 4243420000 is about 65141.5382071993. The cubic root of 4243420000 is about 1618.9695219648.

Adding to 4243420000 its reverse (243424), we get a palindrome (4243663424).

The spelling of 4243420000 in words is "four billion, two hundred forty-three million, four hundred twenty thousand".