3798381649920 has 1792 divisors, whose sum is σ = 15557569413120. Its totient is φ = 777152102400.

The previous prime is 3798381649919. The next prime is 3798381649927. The reversal of 3798381649920 is 299461838973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3798381649927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 10349813577 + ... + 10349813943.

It is an arithmetic number, because the mean of its divisors is an integer number (8681679360).

Almost surely, 2^{3798381649920} is an apocalyptic number.

3798381649920 is a gapful number since it is divisible by the number (30) 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 3798381649920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7778784706560).

3798381649920 is an abundant number, since it is smaller than the sum of its proper divisors (11759187763200).

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

3798381649920 is a wasteful number, since it uses less digits than its factorization.

3798381649920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475 (or 451 counting only the distinct ones).

The product of its (nonzero) digits is 141087744, while the sum is 69.

The spelling of 3798381649920 in words is "three trillion, seven hundred ninety-eight billion, three hundred eighty-one million, six hundred forty-nine thousand, nine hundred twenty".