5444731138 has 72 divisors (see below), whose sum is σ = 10479974400. Its totient is φ = 2113760880.

The previous prime is 5444731073. The next prime is 5444731139. The reversal of 5444731138 is 8311374445.

It is a self number, because there is not a number n which added to its sum of digits gives 5444731138.

It is not an unprimeable number, because it can be changed into a prime (5444731139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4256383 + ... + 4257661.

It is an arithmetic number, because the mean of its divisors is an integer number (145555200).

Almost surely, 2^5444731138 is an apocalyptic number.

5444731138 is a deficient number, since it is larger than the sum of its proper divisors (5035243262).

5444731138 is a wasteful number, since it uses less digits than its factorization.

5444731138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676 (or 1658 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 5444731138 is about 73788.4214358865. The cubic root of 5444731138 is about 1759.2415742650.

The spelling of 5444731138 in words is "five billion, four hundred forty-four million, seven hundred thirty-one thousand, one hundred thirty-eight".