1438979082308 has 12 divisors (see below), whose sum is σ = 2579633233212. Its totient is φ = 701941015680.

The previous prime is 1438979082259. The next prime is 1438979082323. The reversal of 1438979082308 is 8032809798341.

It can be written as a sum of positive squares in 2 ways, for example, as 437862770944 + 1001116311364 = 661712^2 + 1000558^2 .

It is an unprimeable number.

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, 4387131185 + ... + 4387131512.

It is an arithmetic number, because the mean of its divisors is an integer number (214969436101).

Almost surely, 2^{1438979082308} is an apocalyptic number.

It is an amenable number.

1438979082308 is a deficient number, since it is larger than the sum of its proper divisors (1140654150904).

1438979082308 is a wasteful number, since it uses less digits than its factorization.

1438979082308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8774262742 (or 8774262740 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 62.

The spelling of 1438979082308 in words is "one trillion, four hundred thirty-eight billion, nine hundred seventy-nine million, eighty-two thousand, three hundred eight".