408180 has 24 divisors (see below), whose sum is σ = 1143072. Its totient is φ = 108832.

The previous prime is 408173. The next prime is 408197. The reversal of 408180 is 81804.

It is a super-2 number, since 2×408180² = 333221824800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

408180 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3342 + ... + 3461.

It is an arithmetic number, because the mean of its divisors is an integer number (47628).

2⁴⁰⁸¹⁸⁰ is an apocalyptic number.

It is an amenable number.

408180 is an abundant number, since it is smaller than the sum of its proper divisors (734892).

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

408180 is a wasteful number, since it uses less digits than its factorization.

408180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6815 (or 6813 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 408180 is about 638.8896618353. The cubic root of 408180 is about 74.1795009281.

Adding to 408180 its reverse (81804), we get a palindrome (489984).

The spelling of 408180 in words is "four hundred eight thousand, one hundred eighty".