438414288916 has 6 divisors (see below), whose sum is σ = 767225005610. Its totient is φ = 219207144456.

The previous prime is 438414288913. The next prime is 438414288947. The reversal of 438414288916 is 619882414834.

It can be written as a sum of positive squares in only one way, i.e., 321965456400 + 116448832516 = 567420^2 + 341246^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438414288913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54801786111 + ... + 54801786118.

Almost surely, 2^438414288916 is an apocalyptic number.

It is an amenable number.

438414288916 is a deficient number, since it is larger than the sum of its proper divisors (328810716694).

438414288916 is a wasteful number, since it uses less digits than its factorization.

438414288916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109603572233 (or 109603572231 counting only the distinct ones).

The product of its digits is 10616832, while the sum is 58.

The spelling of 438414288916 in words is "four hundred thirty-eight billion, four hundred fourteen million, two hundred eighty-eight thousand, nine hundred sixteen".