8444490538 has 24 divisors (see below), whose sum is σ = 14299251876. Its totient is φ = 3734660160.

The previous prime is 8444490521. The next prime is 8444490547. The reversal of 8444490538 is 8350944448.

It can be written as a sum of positive squares in 2 ways, for example, as 5722468609 + 2722021929 = 75647^2 + 52173^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8444490491 and 8444490500.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 462595 + ... + 480502.

Almost surely, 2^8444490538 is an apocalyptic number.

8444490538 is a deficient number, since it is larger than the sum of its proper divisors (5854761338).

8444490538 is a wasteful number, since it uses less digits than its factorization.

8444490538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943158 (or 943147 counting only the distinct ones).

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

The square root of 8444490538 is about 91893.9091452747. The cubic root of 8444490538 is about 2036.3752865655.

The spelling of 8444490538 in words is "eight billion, four hundred forty-four million, four hundred ninety thousand, five hundred thirty-eight".