5438044631812 has 24 divisors (see below), whose sum is σ = 10251838646336. Its totient is φ = 2509079143968.

The previous prime is 5438044631791. The next prime is 5438044631813. The reversal of 5438044631812 is 2181364408345.

It is not an unprimeable number, because it can be changed into a prime (5438044631813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16241208 + ... + 16572655.

Almost surely, 2^{5438044631812} is an apocalyptic number.

5438044631812 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

5438044631812 is a deficient number, since it is larger than the sum of its proper divisors (4813794014524).

5438044631812 is a wasteful number, since it uses less digits than its factorization.

5438044631812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32817067 (or 32817065 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 49.

The spelling of 5438044631812 in words is "five trillion, four hundred thirty-eight billion, forty-four million, six hundred thirty-one thousand, eight hundred twelve".