18380285760 has 448 divisors, whose sum is σ = 64629792000. Its totient is φ = 4405985280.

The previous prime is 18380285747. The next prime is 18380285761. The reversal of 18380285760 is 6758208381.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18380285761) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36833991 + ... + 36834489.

Almost surely, 2^18380285760 is an apocalyptic number.

18380285760 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 18380285760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32314896000).

18380285760 is an abundant number, since it is smaller than the sum of its proper divisors (46249506240).

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

18380285760 is a wasteful number, since it uses less digits than its factorization.

18380285760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 18380285760 in words is "eighteen billion, three hundred eighty million, two hundred eighty-five thousand, seven hundred sixty".