180398088 has 96 divisors (see below), whose sum is σ = 540485400. Its totient is φ = 53996544.

The previous prime is 180398087. The next prime is 180398117. The reversal of 180398088 is 880893081.

180398088 is a `hidden beast` number, since 180 + 398 + 0 + 88 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 180150084 + 248004 = 13422^2 + 498^2 .

It is not an unprimeable number, because it can be changed into a prime (180398081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32028 + ... + 37236.

Almost surely, 2^180398088 is an apocalyptic number.

180398088 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 180398088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270242700).

180398088 is an abundant number, since it is smaller than the sum of its proper divisors (360087312).

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

180398088 is a wasteful number, since it uses less digits than its factorization.

180398088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5271 (or 5264 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The square root of 180398088 is about 13431.2355351248. The cubic root of 180398088 is about 565.0375499099.

The spelling of 180398088 in words is "one hundred eighty million, three hundred ninety-eight thousand, eighty-eight".