4491169192328 has 512 divisors, whose sum is σ = 11547736704000. Its totient is φ = 1588065730560.

The previous prime is 4491169192303. The next prime is 4491169192333. The reversal of 4491169192328 is 8232919611944.

It is a super-2 number, since 2×4491169192328² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4049746238 + ... + 4049747346.

It is an arithmetic number, because the mean of its divisors is an integer number (22554173250).

Almost surely, 2^{4491169192328} 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 4491169192328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5773868352000).

4491169192328 is an abundant number, since it is smaller than the sum of its proper divisors (7056567511672).

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

4491169192328 is a wasteful number, since it uses less digits than its factorization.

4491169192328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425 (or 1421 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 59.

The spelling of 4491169192328 in words is "four trillion, four hundred ninety-one billion, one hundred sixty-nine million, one hundred ninety-two thousand, three hundred twenty-eight".