180580428 has 60 divisors (see below), whose sum is σ = 539518672. Its totient is φ = 51593760.

The previous prime is 180580423. The next prime is 180580451. The reversal of 180580428 is 824085081.

180580428 is a `hidden beast` number, since 180 + 58 + 0 + 428 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 180580392 and 180580401.

It is not an unprimeable number, because it can be changed into a prime (180580423) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 37543 + ... + 42078.

Almost surely, 2^180580428 is an apocalyptic number.

180580428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

180580428 is an abundant number, since it is smaller than the sum of its proper divisors (358938244).

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

180580428 is a wasteful number, since it uses less digits than its factorization.

180580428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79644 (or 79633 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 180580428 is about 13438.0217294065. The cubic root of 180580428 is about 565.2278591215.

The spelling of 180580428 in words is "one hundred eighty million, five hundred eighty thousand, four hundred twenty-eight".