18049582080 has 352 divisors, whose sum is σ = 65261635200. Its totient is φ = 4729503744.

The previous prime is 18049582079. The next prime is 18049582093. The reversal of 18049582080 is 8028594081.

It is a happy number.

18049582080 is a `hidden beast` number, since 1 + 8 + 0 + 495 + 82 + 0 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 8155054 + ... + 8157266.

Almost surely, 2^18049582080 is an apocalyptic number.

18049582080 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 18049582080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32630817600).

18049582080 is an abundant number, since it is smaller than the sum of its proper divisors (47212053120).

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

18049582080 is a wasteful number, since it uses less digits than its factorization.

18049582080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2306 (or 2282 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

The spelling of 18049582080 in words is "eighteen billion, forty-nine million, five hundred eighty-two thousand, eighty".