1804321554336 has 648 divisors, whose sum is σ = 6351210946080. Its totient is φ = 483558147072.

The previous prime is 1804321554331. The next prime is 1804321554361. The reversal of 1804321554336 is 6334551234081.

1804321554336 is a `hidden beast` number, since 1 + 8 + 0 + 43 + 21 + 554 + 3 + 36 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1804321554291 and 1804321554300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1804321554331) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 911732995 + ... + 911734973.

It is an arithmetic number, because the mean of its divisors is an integer number (9801251460).

Almost surely, 2^{1804321554336} is an apocalyptic number.

1804321554336 is a gapful number since it is divisible by the number (16) 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 1804321554336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3175605473040).

1804321554336 is an abundant number, since it is smaller than the sum of its proper divisors (4546889391744).

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

1804321554336 is a wasteful number, since it uses less digits than its factorization.

1804321554336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138 (or 2067 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 1804321554336 in words is "one trillion, eight hundred four billion, three hundred twenty-one million, five hundred fifty-four thousand, three hundred thirty-six".