4043042120 has 128 divisors (see below), whose sum is σ = 10326839040. Its totient is φ = 1413350400.

The previous prime is 4043042117. The next prime is 4043042141. The reversal of 4043042120 is 212403404.

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 = 4043042092 and 4043042101.

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, 1206287 + ... + 1209633.

It is an arithmetic number, because the mean of its divisors is an integer number (80678430).

Almost surely, 2^4043042120 is an apocalyptic number.

4043042120 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 4043042120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5163419520).

4043042120 is an abundant number, since it is smaller than the sum of its proper divisors (6283796920).

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

4043042120 is a wasteful number, since it uses less digits than its factorization.

4043042120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3495 (or 3491 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4043042120 is about 63584.9205393858. The cubic root of 4043042120 is about 1593.0745094466.

Adding to 4043042120 its reverse (212403404), we get a palindrome (4255445524).

The spelling of 4043042120 in words is "four billion, forty-three million, forty-two thousand, one hundred twenty".