180115488 has 168 divisors, whose sum is σ = 608162688. Its totient is φ = 51414912.

The previous prime is 180115469. The next prime is 180115499. The reversal of 180115488 is 884511081.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 162745 + ... + 163847.

It is an arithmetic number, because the mean of its divisors is an integer number (3620016).

Almost surely, 2^180115488 is an apocalyptic number.

180115488 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 180115488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304081344).

180115488 is an abundant number, since it is smaller than the sum of its proper divisors (428047200).

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

180115488 is an equidigital number, since it uses as much as digits as its factorization.

180115488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138 (or 1115 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 36.

The square root of 180115488 is about 13420.7111585042. The cubic root of 180115488 is about 564.7423452558.

The spelling of 180115488 in words is "one hundred eighty million, one hundred fifteen thousand, four hundred eighty-eight".