1800056788992 has 1152 divisors, whose sum is σ = 6758695157760. Its totient is φ = 447897600000.

The previous prime is 1800056788909. The next prime is 1800056789039. The reversal of 1800056788992 is 2998876500081.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a super-2 number, since 2×1800056788992² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 7171540867 + ... + 7171541117.

It is an arithmetic number, because the mean of its divisors is an integer number (5866922880).

Almost surely, 2^{1800056788992} is an apocalyptic number.

1800056788992 is a gapful number since it is divisible by the number (12) 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 1800056788992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3379347578880).

1800056788992 is an abundant number, since it is smaller than the sum of its proper divisors (4958638368768).

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

1800056788992 is a wasteful number, since it uses less digits than its factorization.

1800056788992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 63.

The spelling of 1800056788992 in words is "one trillion, eight hundred billion, fifty-six million, seven hundred eighty-eight thousand, nine hundred ninety-two".