1881256227200 has 192 divisors, whose sum is σ = 5317026950400. Its totient is φ = 644293232640.

The previous prime is 1881256227133. The next prime is 1881256227209. The reversal of 1881256227200 is 27226521881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1881256227209) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 20539907 + ... + 20631293.

It is an arithmetic number, because the mean of its divisors is an integer number (27692848700).

Almost surely, 2^{1881256227200} is an apocalyptic number.

1881256227200 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 1881256227200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2658513475200).

1881256227200 is an abundant number, since it is smaller than the sum of its proper divisors (3435770723200).

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

1881256227200 is an equidigital number, since it uses as much as digits as its factorization.

1881256227200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92337 (or 92320 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 44.

The spelling of 1881256227200 in words is "one trillion, eight hundred eighty-one billion, two hundred fifty-six million, two hundred twenty-seven thousand, two hundred".