2444093138 has 8 divisors (see below), whose sum is σ = 3687331788. Its totient is φ = 1214982544.

The previous prime is 2444093131. The next prime is 2444093147. The reversal of 2444093138 is 8313904442.

It can be written as a sum of positive squares in 2 ways, for example, as 2374320529 + 69772609 = 48727^2 + 8353^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2444093131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3531581 + ... + 3532272.

Almost surely, 2^2444093138 is an apocalyptic number.

2444093138 is a deficient number, since it is larger than the sum of its proper divisors (1243238650).

2444093138 is a wasteful number, since it uses less digits than its factorization.

2444093138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7064028.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 2444093138 is about 49437.7703582999. The cubic root of 2444093138 is about 1347.0154713431.

The spelling of 2444093138 in words is "two billion, four hundred forty-four million, ninety-three thousand, one hundred thirty-eight".