1798303223808 has 1560 divisors, whose sum is σ = 6884050854912. Its totient is φ = 463520268288.

The previous prime is 1798303223779. The next prime is 1798303223831. The reversal of 1798303223808 is 8083223038971.

1798303223808 is a `hidden beast` number, since 17 + 98 + 303 + 2 + 238 + 0 + 8 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 14159867841 + ... + 14159867967.

Almost surely, 2^{1798303223808} is an apocalyptic number.

1798303223808 is a gapful number since it is divisible by the number (18) 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 1798303223808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3442025427456).

1798303223808 is an abundant number, since it is smaller than the sum of its proper divisors (5085747631104).

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

1798303223808 is a wasteful number, since it uses less digits than its factorization.

1798303223808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 1798303223808 in words is "one trillion, seven hundred ninety-eight billion, three hundred three million, two hundred twenty-three thousand, eight hundred eight".