5438031946128 has 60 divisors (see below), whose sum is σ = 15226558331868. Its totient is φ = 1811769519360.

The previous prime is 5438031946103. The next prime is 5438031946141. The reversal of 5438031946128 is 8216491308345.

It is a happy number.

5438031946128 is a `hidden beast` number, since 5 + 4 + 3 + 8 + 0 + 3 + 19 + 4 + 612 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 878816252304 + 4559215693824 = 937452^2 + 2135232^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9167643 + ... + 9742778.

Almost surely, 2^{5438031946128} is an apocalyptic number.

It is an amenable number.

5438031946128 is an abundant number, since it is smaller than the sum of its proper divisors (9788526385740).

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

5438031946128 is a wasteful number, since it uses less digits than its factorization.

5438031946128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18912432 (or 18912423 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 5438031946128 in words is "five trillion, four hundred thirty-eight billion, thirty-one million, nine hundred forty-six thousand, one hundred twenty-eight".