18440110080 has 600 divisors, whose sum is σ = 75743672928. Its totient is φ = 4204265472.

The previous prime is 18440110079. The next prime is 18440110099. The reversal of 18440110080 is 8001104481.

18440110080 is a `hidden beast` number, since 1 + 84 + 401 + 100 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 46448442 + ... + 46448838.

Almost surely, 2^18440110080 is an apocalyptic number.

18440110080 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 18440110080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37871836464).

18440110080 is an abundant number, since it is smaller than the sum of its proper divisors (57303562848).

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

18440110080 is an frugal number, since it uses more digits than its factorization.

18440110080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

It can be divided in two parts, 184401 and 10080, that added together give a 4-th power (194481 = 21⁴).

The spelling of 18440110080 in words is "eighteen billion, four hundred forty million, one hundred ten thousand, eighty".