406000080 has 80 divisors (see below), whose sum is σ = 1398452160. Its totient is φ = 108266112.

The previous prime is 406000057. The next prime is 406000093. The reversal of 406000080 is 80000604.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 91822 + ... + 96141.

It is an arithmetic number, because the mean of its divisors is an integer number (17480652).

Almost surely, 2^406000080 is an apocalyptic number.

406000080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

406000080 is an abundant number, since it is smaller than the sum of its proper divisors (992452080).

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

406000080 is a wasteful number, since it uses less digits than its factorization.

406000080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187985 (or 187973 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 406000080 is about 20149.4436647765. The cubic root of 406000080 is about 740.4721116875.

Adding to 406000080 its reverse (80000604), we get a palindrome (486000684).

The spelling of 406000080 in words is "four hundred six million, eighty", and thus it is an aban number.