18241753344 has 72 divisors (see below), whose sum is σ = 48708438240. Its totient is φ = 6060699648.

The previous prime is 18241753291. The next prime is 18241753349. The reversal of 18241753344 is 44335714281.

It is a junction number, because it is equal to n+sod(n) for n = 18241753296 and 18241753305.

It is not an unprimeable number, because it can be changed into a prime (18241753349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197092 + ... + 274460.

Almost surely, 2^18241753344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18241753344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24354219120).

18241753344 is an abundant number, since it is smaller than the sum of its proper divisors (30466684896).

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

18241753344 is an equidigital number, since it uses as much as digits as its factorization.

18241753344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77695 (or 77681 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The spelling of 18241753344 in words is "eighteen billion, two hundred forty-one million, seven hundred fifty-three thousand, three hundred forty-four".