438466664834 has 32 divisors (see below), whose sum is σ = 755318640960. Its totient is φ = 188797132800.

The previous prime is 438466664827. The next prime is 438466664861.

438466664834 is nontrivially palindromic in base 10.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5680322 + ... + 5756994.

It is an arithmetic number, because the mean of its divisors is an integer number (23603707530).

Almost surely, 2^438466664834 is an apocalyptic number.

438466664834 is a deficient number, since it is larger than the sum of its proper divisors (316851976126).

438466664834 is a wasteful number, since it uses less digits than its factorization.

438466664834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90386.

The product of its digits is 191102976, while the sum is 62.

The spelling of 438466664834 in words is "four hundred thirty-eight billion, four hundred sixty-six million, six hundred sixty-four thousand, eight hundred thirty-four".