1338083809326 has 48 divisors (see below), whose sum is σ = 3174501086640. Its totient is φ = 403972565760.

The previous prime is 1338083809291. The next prime is 1338083809417. The reversal of 1338083809326 is 6239083808331.

1338083809326 is a `hidden beast` number, since 1 + 3 + 380 + 83 + 80 + 93 + 26 = 666.

It is a Curzon number.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 12508075 + ... + 12614598.

It is an arithmetic number, because the mean of its divisors is an integer number (66135439305).

Almost surely, 2^{1338083809326} is an apocalyptic number.

1338083809326 is an abundant number, since it is smaller than the sum of its proper divisors (1836417277314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1338083809326 is a wasteful number, since it uses less digits than its factorization.

1338083809326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25122961 (or 25122958 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The spelling of 1338083809326 in words is "one trillion, three hundred thirty-eight billion, eighty-three million, eight hundred nine thousand, three hundred twenty-six".