438529068 has 36 divisors (see below), whose sum is σ = 1146731040. Its totient is φ = 141135456.

The previous prime is 438529051. The next prime is 438529073. The reversal of 438529068 is 860925834.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 208980 + ... + 211067.

It is an arithmetic number, because the mean of its divisors is an integer number (31853640).

Almost surely, 2^438529068 is an apocalyptic number.

It is an amenable number.

438529068 is an abundant number, since it is smaller than the sum of its proper divisors (708201972).

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

438529068 is a wasteful number, since it uses less digits than its factorization.

438529068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420086 (or 420081 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 438529068 is about 20941.0856452095. The cubic root of 438529068 is about 759.7419876713.

The spelling of 438529068 in words is "four hundred thirty-eight million, five hundred twenty-nine thousand, sixty-eight".