43520145335140 has 12 divisors (see below), whose sum is σ = 91392305203836. Its totient is φ = 17408058134048.

The previous prime is 43520145335131. The next prime is 43520145335143. The reversal of 43520145335140 is 4153354102534.

43520145335140 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 27404031432996 + 16116113902144 = 5234886^2 + 4014488^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43520145335093 and 43520145335102.

It is not an unprimeable number, because it can be changed into a prime (43520145335143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1088003633359 + ... + 1088003633398.

It is an arithmetic number, because the mean of its divisors is an integer number (7616025433653).

Almost surely, 2^{43520145335140} is an apocalyptic number.

It is an amenable number.

43520145335140 is an abundant number, since it is smaller than the sum of its proper divisors (47872159868696).

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

43520145335140 is a wasteful number, since it uses less digits than its factorization.

43520145335140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176007266766 (or 2176007266764 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 43520145335140 its reverse (4153354102534), we get a palindrome (47673499437674).

The spelling of 43520145335140 in words is "forty-three trillion, five hundred twenty billion, one hundred forty-five million, three hundred thirty-five thousand, one hundred forty".