43542201125440 has 56 divisors (see below), whose sum is σ = 104129866035000. Its totient is φ = 17342129860608.

The previous prime is 43542201125389. The next prime is 43542201125497. The reversal of 43542201125440 is 4452110224534.

43542201125440 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 955404592704 + 42586796532736 = 977448^2 + 6525856^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 43542201125440.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 291919815 + ... + 292068934.

Almost surely, 2^{43542201125440} is an apocalyptic number.

43542201125440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43542201125440 is an abundant number, since it is smaller than the sum of its proper divisors (60587664909560).

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

43542201125440 is a wasteful number, since it uses less digits than its factorization.

43542201125440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583988999 (or 583988989 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 43542201125440 its reverse (4452110224534), we get a palindrome (47994311349974).

The spelling of 43542201125440 in words is "forty-three trillion, five hundred forty-two billion, two hundred one million, one hundred twenty-five thousand, four hundred forty".