1338451539360 has 192 divisors, whose sum is σ = 4542073304832. Its totient is φ = 329346441216.

The previous prime is 1338451539247. The next prime is 1338451539391. The reversal of 1338451539360 is 639351548331.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17977732 + ... + 18052028.

It is an arithmetic number, because the mean of its divisors is an integer number (23656631796).

Almost surely, 2^{1338451539360} is an apocalyptic number.

1338451539360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1338451539360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2271036652416).

1338451539360 is an abundant number, since it is smaller than the sum of its proper divisors (3203621765472).

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

1338451539360 is a wasteful number, since it uses less digits than its factorization.

1338451539360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77215 (or 77207 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 51.

The spelling of 1338451539360 in words is "one trillion, three hundred thirty-eight billion, four hundred fifty-one million, five hundred thirty-nine thousand, three hundred sixty".