180475812 has 72 divisors (see below), whose sum is σ = 507124800. Its totient is φ = 53651520.

The previous prime is 180475807. The next prime is 180475829. The reversal of 180475812 is 218574081.

180475812 is a `hidden beast` number, since 180 + 475 + 8 + 1 + 2 = 666.

180475812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16689 + ... + 25287.

It is an arithmetic number, because the mean of its divisors is an integer number (7043400).

Almost surely, 2^180475812 is an apocalyptic number.

180475812 is a gapful number since it is divisible by the number (12) 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 180475812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253562400).

180475812 is an abundant number, since it is smaller than the sum of its proper divisors (326648988).

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

180475812 is a wasteful number, since it uses less digits than its factorization.

180475812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8673 (or 8668 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 180475812 is about 13434.1286282364. The cubic root of 180475812 is about 565.1186865291.

The spelling of 180475812 in words is "one hundred eighty million, four hundred seventy-five thousand, eight hundred twelve".