180448488 has 96 divisors (see below), whose sum is σ = 540820800. Its totient is φ = 53894400.

The previous prime is 180448393. The next prime is 180448507. The reversal of 180448488 is 884844081.

It is a super-2 number, since 2×180448488² = 65123313642972288, which contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 54628 + ... + 57836.

It is an arithmetic number, because the mean of its divisors is an integer number (5633550).

Almost surely, 2^180448488 is an apocalyptic number.

180448488 is a gapful number since it is divisible by the number (18) 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 180448488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270410400).

180448488 is an abundant number, since it is smaller than the sum of its proper divisors (360372312).

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

180448488 is a wasteful number, since it uses less digits than its factorization.

180448488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3303 (or 3296 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 45.

The square root of 180448488 is about 13433.1116276163. Note that the first 3 decimals coincide. The cubic root of 180448488 is about 565.0901654729.

The spelling of 180448488 in words is "one hundred eighty million, four hundred forty-eight thousand, four hundred eighty-eight".