43120242320 has 20 divisors (see below), whose sum is σ = 100254563580. Its totient is φ = 17248096896.

The previous prime is 43120242301. The next prime is 43120242377. The reversal of 43120242320 is 2324202134.

It can be written as a sum of positive squares in 2 ways, for example, as 4322273536 + 38797968784 = 65744^2 + 196972^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269501435 + ... + 269501594.

It is an arithmetic number, because the mean of its divisors is an integer number (5012728179).

Almost surely, 2^43120242320 is an apocalyptic number.

43120242320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43120242320 is an abundant number, since it is smaller than the sum of its proper divisors (57134321260).

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

43120242320 is a wasteful number, since it uses less digits than its factorization.

43120242320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539003042 (or 539003036 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 43120242320 its reverse (2324202134), we get a palindrome (45444444454).

The spelling of 43120242320 in words is "forty-three billion, one hundred twenty million, two hundred forty-two thousand, three hundred twenty".