43440325225487 has 2 divisors, whose sum is σ = 43440325225488. Its totient is φ = 43440325225486.

The previous prime is 43440325225481. The next prime is 43440325225589. The reversal of 43440325225487 is 78452252304434.

43440325225487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43440325225487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43440325225481) 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 as a sum of consecutive naturals, namely, 21720162612743 + 21720162612744.

It is an arithmetic number, because the mean of its divisors is an integer number (21720162612744).

Almost surely, 2^{43440325225487} is an apocalyptic number.

43440325225487 is a deficient number, since it is larger than the sum of its proper divisors (1).

43440325225487 is an equidigital number, since it uses as much as digits as its factorization.

43440325225487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25804800, while the sum is 53.

The spelling of 43440325225487 in words is "forty-three trillion, four hundred forty billion, three hundred twenty-five million, two hundred twenty-five thousand, four hundred eighty-seven".