18441684573312 has 1024 divisors, whose sum is σ = 69176052449280. Its totient is φ = 4198072320000.

The previous prime is 18441684573287. The next prime is 18441684573349. The reversal of 18441684573312 is 21337548614481.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 631528312 + ... + 631557512.

It is an arithmetic number, because the mean of its divisors is an integer number (67554738720).

Almost surely, 2^{18441684573312} is an apocalyptic number.

18441684573312 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 18441684573312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34588026224640).

18441684573312 is an abundant number, since it is smaller than the sum of its proper divisors (50734367875968).

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

18441684573312 is a wasteful number, since it uses less digits than its factorization.

18441684573312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29333 (or 29321 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 57.

The spelling of 18441684573312 in words is "eighteen trillion, four hundred forty-one billion, six hundred eighty-four million, five hundred seventy-three thousand, three hundred twelve".