4494144938 has 16 divisors (see below), whose sum is σ = 7037997120. Its totient is φ = 2148248256.

The previous prime is 4494144937. The next prime is 4494144943. The reversal of 4494144938 is 8394414944.

It is not an unprimeable number, because it can be changed into a prime (4494144937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66818 + ... + 115986.

It is an arithmetic number, because the mean of its divisors is an integer number (439874820).

Almost surely, 2^4494144938 is an apocalyptic number.

4494144938 is a deficient number, since it is larger than the sum of its proper divisors (2543852182).

4494144938 is a wasteful number, since it uses less digits than its factorization.

4494144938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51181.

The product of its digits is 1990656, while the sum is 50.

The square root of 4494144938 is about 67038.3840646536. The cubic root of 4494144938 is about 1650.2472770508.

The spelling of 4494144938 in words is "four billion, four hundred ninety-four million, one hundred forty-four thousand, nine hundred thirty-eight".