438473568 has 48 divisors (see below), whose sum is σ = 1239534576. Its totient is φ = 134914560.

The previous prime is 438473531. The next prime is 438473573. The reversal of 438473568 is 865374834.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174423 + ... + 176918.

It is an arithmetic number, because the mean of its divisors is an integer number (25823637).

Almost surely, 2^438473568 is an apocalyptic number.

438473568 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

438473568 is an abundant number, since it is smaller than the sum of its proper divisors (801061008).

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

438473568 is a wasteful number, since it uses less digits than its factorization.

438473568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351367 (or 351359 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 48.

The square root of 438473568 is about 20939.7604570826. The cubic root of 438473568 is about 759.7099354750.

The spelling of 438473568 in words is "four hundred thirty-eight million, four hundred seventy-three thousand, five hundred sixty-eight".