1800774324480 has 288 divisors, whose sum is σ = 6192755856000. Its totient is φ = 444297773056.

The previous prime is 1800774324473. The next prime is 1800774324487. The reversal of 1800774324480 is 844234770081.

It is an interprime number because it is at equal distance from previous prime (1800774324473) and next prime (1800774324487).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1800774324487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3617746 + ... + 4085294.

It is an arithmetic number, because the mean of its divisors is an integer number (21502624500).

Almost surely, 2^{1800774324480} is an apocalyptic number.

1800774324480 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 1800774324480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3096377928000).

1800774324480 is an abundant number, since it is smaller than the sum of its proper divisors (4391981531520).

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

1800774324480 is a wasteful number, since it uses less digits than its factorization.

1800774324480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467649 (or 467635 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 48.

The spelling of 1800774324480 in words is "one trillion, eight hundred billion, seven hundred seventy-four million, three hundred twenty-four thousand, four hundred eighty".