1798045298688 has 416 divisors, whose sum is σ = 5057713152000. Its totient is φ = 567410688000.

The previous prime is 1798045298669. The next prime is 1798045298701. The reversal of 1798045298688 is 8868925408971.

It is a super-2 number, since 2×1798045298688² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4483903288 + ... + 4483903688.

Almost surely, 2^{1798045298688} 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 1798045298688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2528856576000).

1798045298688 is an abundant number, since it is smaller than the sum of its proper divisors (3259667853312).

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

1798045298688 is a wasteful number, since it uses less digits than its factorization.

1798045298688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687 (or 665 counting only the distinct ones).

The product of its (nonzero) digits is 557383680, while the sum is 75.

The spelling of 1798045298688 in words is "one trillion, seven hundred ninety-eight billion, forty-five million, two hundred ninety-eight thousand, six hundred eighty-eight".