180361480 has 32 divisors (see below), whose sum is σ = 437031000. Its totient is φ = 66594816.

The previous prime is 180361477. The next prime is 180361487. The reversal of 180361480 is 84163081.

It can be written as a sum of positive squares in 4 ways, for example, as 155301444 + 25060036 = 12462^2 + 5006^2 .

It is not an unprimeable number, because it can be changed into a prime (180361487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172905 + ... + 173944.

Almost surely, 2^180361480 is an apocalyptic number.

180361480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

180361480 is an abundant number, since it is smaller than the sum of its proper divisors (256669520).

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

180361480 is a wasteful number, since it uses less digits than its factorization.

180361480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346873 (or 346869 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 180361480 is about 13429.8726725163. The cubic root of 180361480 is about 564.9993264930. Note that the first 3 decimals are identical.

The spelling of 180361480 in words is "one hundred eighty million, three hundred sixty-one thousand, four hundred eighty".