180428432 has 20 divisors (see below), whose sum is σ = 360857856. Its totient is φ = 87303840.

The previous prime is 180428419. The next prime is 180428461. The reversal of 180428432 is 234824081.

180428432 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 181388 + ... + 182379.

Almost surely, 2^180428432 is an apocalyptic number.

It is an amenable number.

180428432 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

180428432 is a wasteful number, since it uses less digits than its factorization.

180428432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363806 (or 363800 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 180428432 is about 13432.3650933110. The cubic root of 180428432 is about 565.0692289933.

The spelling of 180428432 in words is "one hundred eighty million, four hundred twenty-eight thousand, four hundred thirty-two".