6221382380928 has 640 divisors, whose sum is σ = 21772843092000. Its totient is φ = 1738546053120.

The previous prime is 6221382380887. The next prime is 6221382380929. The reversal of 6221382380928 is 8290832831226.

6221382380928 is a `hidden beast` number, since 6 + 221 + 38 + 2 + 380 + 9 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6221382380929) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2889633100 + ... + 2889635252.

Almost surely, 2^{6221382380928} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6221382380928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10886421546000).

6221382380928 is an abundant number, since it is smaller than the sum of its proper divisors (15551460711072).

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

6221382380928 is a wasteful number, since it uses less digits than its factorization.

6221382380928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4152 (or 4131 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 6221382380928 in words is "six trillion, two hundred twenty-one billion, three hundred eighty-two million, three hundred eighty thousand, nine hundred twenty-eight".