438530888888888 has 32 divisors (see below), whose sum is σ = 850698324126000. Its totient is φ = 211679773428480.

The previous prime is 438530888888887. The next prime is 438530888888927. The reversal of 438530888888888 is 888888888035834.

It is a self number, because there is not a number n which added to its sum of digits gives 438530888888888.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438530888888887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108700493 + ... + 112662588.

Almost surely, 2^{438530888888888} is an apocalyptic number.

It is an amenable number.

438530888888888 is a deficient number, since it is larger than the sum of its proper divisors (412167435237112).

438530888888888 is a wasteful number, since it uses less digits than its factorization.

438530888888888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221371655 (or 221371651 counting only the distinct ones).

The product of its (nonzero) digits is 193273528320, while the sum is 95.

The spelling of 438530888888888 in words is "four hundred thirty-eight trillion, five hundred thirty billion, eight hundred eighty-eight million, eight hundred eighty-eight thousand, eight hundred eighty-eight".