438538538104 has 16 divisors (see below), whose sum is σ = 823660551000. Its totient is φ = 218895724512.

The previous prime is 438538538069. The next prime is 438538538117. The reversal of 438538538104 is 401835835834.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46688079 + ... + 46697470.

Almost surely, 2^438538538104 is an apocalyptic number.

It is an amenable number.

438538538104 is a deficient number, since it is larger than the sum of its proper divisors (385122012896).

438538538104 is a wasteful number, since it uses less digits than its factorization.

438538538104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93386142 (or 93386138 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 52.

The spelling of 438538538104 in words is "four hundred thirty-eight billion, five hundred thirty-eight million, five hundred thirty-eight thousand, one hundred four".