4243240120 has 128 divisors (see below), whose sum is σ = 11578152960. Its totient is φ = 1366272000.

The previous prime is 4243240097. The next prime is 4243240187. The reversal of 4243240120 is 210423424.

It is a happy number.

It is a super-2 number, since 2×4243240120² = 36010173431955228800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4243240091 and 4243240100.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 3574167 + ... + 3575353.

It is an arithmetic number, because the mean of its divisors is an integer number (90454320).

Almost surely, 2^4243240120 is an apocalyptic number.

4243240120 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 4243240120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5789076480).

4243240120 is an abundant number, since it is smaller than the sum of its proper divisors (7334912840).

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

4243240120 is a wasteful number, since it uses less digits than its factorization.

4243240120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973 (or 1969 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 4243240120 is about 65140.1575067178. The cubic root of 4243240120 is about 1618.9466454208.

Adding to 4243240120 its reverse (210423424), we get a palindrome (4453663544).

The spelling of 4243240120 in words is "four billion, two hundred forty-three million, two hundred forty thousand, one hundred twenty".