1338930129600 has 1680 divisors, whose sum is σ = 5844299744448. Its totient is φ = 294298583040.

The previous prime is 1338930129583. The next prime is 1338930129631. The reversal of 1338930129600 is 69210398331.

1338930129600 is a `hidden beast` number, since 1 + 3 + 3 + 8 + 9 + 30 + 1 + 2 + 9 + 600 = 666.

It is a tau number, because it is divible by the number of its divisors (1680).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 3793003024 + ... + 3793003376.

Almost surely, 2^{1338930129600} is an apocalyptic number.

1338930129600 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 1338930129600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2922149872224).

1338930129600 is an abundant number, since it is smaller than the sum of its proper divisors (4505369614848).

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

1338930129600 is a wasteful number, since it uses less digits than its factorization.

1338930129600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The spelling of 1338930129600 in words is "one trillion, three hundred thirty-eight billion, nine hundred thirty million, one hundred twenty-nine thousand, six hundred".