1849639221760 has 240 divisors, whose sum is σ = 4881718550016. Its totient is φ = 671616000000.

The previous prime is 1849639221743. The next prime is 1849639221803. The reversal of 1849639221760 is 671229369481.

It is a junction number, because it is equal to n+sod(n) for n = 1849639221695 and 1849639221704.

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 23 ways as a sum of consecutive naturals, for example, 232625785 + ... + 232633735.

Almost surely, 2^{1849639221760} is an apocalyptic number.

1849639221760 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 1849639221760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2440859275008).

1849639221760 is an abundant number, since it is smaller than the sum of its proper divisors (3032079328256).

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

1849639221760 is an equidigital number, since it uses as much as digits as its factorization.

1849639221760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8747 (or 8720 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 58.

The spelling of 1849639221760 in words is "one trillion, eight hundred forty-nine billion, six hundred thirty-nine million, two hundred twenty-one thousand, seven hundred sixty".