1338280383516 has 24 divisors (see below), whose sum is σ = 3122674747920. Its totient is φ = 446090529792.

The previous prime is 1338280383361. The next prime is 1338280383553. The reversal of 1338280383516 is 6153830828331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2328790 + ... + 2846018.

It is an arithmetic number, because the mean of its divisors is an integer number (130111447830).

Almost surely, 2^{1338280383516} is an apocalyptic number.

It is an amenable number.

1338280383516 is an abundant number, since it is smaller than the sum of its proper divisors (1784394364404).

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

1338280383516 is a wasteful number, since it uses less digits than its factorization.

1338280383516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732853 (or 732851 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 1338280383516 in words is "one trillion, three hundred thirty-eight billion, two hundred eighty million, three hundred eighty-three thousand, five hundred sixteen".