180421248 has 64 divisors (see below), whose sum is σ = 547715520. Its totient is φ = 51548160.

The previous prime is 180421217. The next prime is 180421291. The reversal of 180421248 is 842124081.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30873 + ... + 36248.

It is an arithmetic number, because the mean of its divisors is an integer number (8558055).

Almost surely, 2^180421248 is an apocalyptic number.

It is an amenable number.

180421248 is an abundant number, since it is smaller than the sum of its proper divisors (367294272).

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

180421248 is an equidigital number, since it uses as much as digits as its factorization.

180421248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67145 (or 67133 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 30.

The square root of 180421248 is about 13432.0976768337. The cubic root of 180421248 is about 565.0617292307.

The spelling of 180421248 in words is "one hundred eighty million, four hundred twenty-one thousand, two hundred forty-eight".