4494589438 has 16 divisors (see below), whose sum is σ = 7259459760. Its totient is φ = 2079250816.

The previous prime is 4494589417. The next prime is 4494589439. The reversal of 4494589438 is 8349854944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4494589439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1118281 + ... + 1122292.

It is an arithmetic number, because the mean of its divisors is an integer number (453716235).

Almost surely, 2^4494589438 is an apocalyptic number.

4494589438 is a deficient number, since it is larger than the sum of its proper divisors (2764870322).

4494589438 is a wasteful number, since it uses less digits than its factorization.

4494589438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240651.

The product of its digits is 19906560, while the sum is 58.

The square root of 4494589438 is about 67041.6992475579. The cubic root of 4494589438 is about 1650.3016819667.

The spelling of 4494589438 in words is "four billion, four hundred ninety-four million, five hundred eighty-nine thousand, four hundred thirty-eight".