1326227189760 has 1248 divisors, whose sum is σ = 5336076096000. Its totient is φ = 301305692160.

The previous prime is 1326227189747. The next prime is 1326227189761. The reversal of 1326227189760 is 679817226231.

It is a happy number.

1326227189760 is a `hidden beast` number, since 1 + 3 + 2 + 622 + 7 + 1 + 8 + 9 + 7 + 6 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1326227189697 and 1326227189706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326227189761) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6664458141 + ... + 6664458339.

It is an arithmetic number, because the mean of its divisors is an integer number (4275702000).

Almost surely, 2^{1326227189760} is an apocalyptic number.

1326227189760 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 1326227189760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2668038048000).

1326227189760 is an abundant number, since it is smaller than the sum of its proper divisors (4009848906240).

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

1326227189760 is a wasteful number, since it uses less digits than its factorization.

1326227189760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437 (or 412 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 1326227189760 in words is "one trillion, three hundred twenty-six billion, two hundred twenty-seven million, one hundred eighty-nine thousand, seven hundred sixty".