18822298080 has 96 divisors (see below), whose sum is σ = 59419549728. Its totient is φ = 5008332800.

The previous prime is 18822298067. The next prime is 18822298091. The reversal of 18822298080 is 8089222881.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178750 + ... + 263810.

It is an arithmetic number, because the mean of its divisors is an integer number (618953643).

Almost surely, 2^18822298080 is an apocalyptic number.

18822298080 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 18822298080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29709774864).

18822298080 is an abundant number, since it is smaller than the sum of its proper divisors (40597251648).

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

18822298080 is a wasteful number, since it uses less digits than its factorization.

18822298080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85540 (or 85532 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 48.

The spelling of 18822298080 in words is "eighteen billion, eight hundred twenty-two million, two hundred ninety-eight thousand, eighty".