408188082 has 16 divisors (see below), whose sum is σ = 817817760. Its totient is φ = 135822432.

The previous prime is 408188069. The next prime is 408188089. The reversal of 408188082 is 280881804.

It is a self number, because there is not a number n which added to its sum of digits gives 408188082.

It is not an unprimeable number, because it can be changed into a prime (408188089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56368 + ... + 63195.

It is an arithmetic number, because the mean of its divisors is an integer number (51113610).

Almost surely, 2^408188082 is an apocalyptic number.

408188082 is an abundant number, since it is smaller than the sum of its proper divisors (409629678).

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

408188082 is a wasteful number, since it uses less digits than its factorization.

408188082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120137.

The product of its (nonzero) digits is 32768, while the sum is 39.

The square root of 408188082 is about 20203.6650635473. The cubic root of 408188082 is about 741.7999051176.

The spelling of 408188082 in words is "four hundred eight million, one hundred eighty-eight thousand, eighty-two".