43421241320 has 16 divisors (see below), whose sum is σ = 97697793060. Its totient is φ = 17368496512.

The previous prime is 43421241317. The next prime is 43421241361. The reversal of 43421241320 is 2314212434.

43421241320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 39347483044 + 4073758276 = 198362^2 + 63826^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 43421241320.

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, 542765477 + ... + 542765556.

Almost surely, 2^43421241320 is an apocalyptic number.

43421241320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43421241320 is an abundant number, since it is smaller than the sum of its proper divisors (54276551740).

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

43421241320 is a wasteful number, since it uses less digits than its factorization.

43421241320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085531044 (or 1085531040 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 43421241320 its reverse (2314212434), we get a palindrome (45735453754).

The spelling of 43421241320 in words is "forty-three billion, four hundred twenty-one million, two hundred forty-one thousand, three hundred twenty".