4120045312 has 144 divisors (see below), whose sum is σ = 8933833440. Its totient is φ = 1892007936.

The previous prime is 4120045309. The next prime is 4120045313. The reversal of 4120045312 is 2135400214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4120045313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14558323 + ... + 14558605.

It is an arithmetic number, because the mean of its divisors is an integer number (62040510).

Almost surely, 2^4120045312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4120045312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4466916720).

4120045312 is an abundant number, since it is smaller than the sum of its proper divisors (4813788128).

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

4120045312 is a wasteful number, since it uses less digits than its factorization.

4120045312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 4120045312 is about 64187.5791099805. The cubic root of 4120045312 is about 1603.1247933188.

Adding to 4120045312 its reverse (2135400214), we get a palindrome (6255445526).

It can be divided in two parts, 412004 and 5312, that added together give a square (417316 = 646²).

The spelling of 4120045312 in words is "four billion, one hundred twenty million, forty-five thousand, three hundred twelve".