1798147802880 has 864 divisors, whose sum is σ = 7397685614592. Its totient is φ = 397504512000.

The previous prime is 1798147802851. The next prime is 1798147802881. The reversal of 1798147802880 is 882087418971.

1798147802880 is a `hidden beast` number, since 1 + 7 + 9 + 81 + 478 + 0 + 2 + 8 + 80 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1798147802881) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 136724305 + ... + 136737455.

It is an arithmetic number, because the mean of its divisors is an integer number (8562136128).

Almost surely, 2^{1798147802880} is an apocalyptic number.

1798147802880 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 1798147802880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3698842807296).

1798147802880 is an abundant number, since it is smaller than the sum of its proper divisors (5599537811712).

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

1798147802880 is a wasteful number, since it uses less digits than its factorization.

1798147802880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13285 (or 13268 counting only the distinct ones).

The product of its (nonzero) digits is 14450688, while the sum is 63.

The spelling of 1798147802880 in words is "one trillion, seven hundred ninety-eight billion, one hundred forty-seven million, eight hundred two thousand, eight hundred eighty".