404016880 has 40 divisors (see below), whose sum is σ = 957072672. Its totient is φ = 158555904.

The previous prime is 404016869. The next prime is 404016887. The reversal of 404016880 is 88610404.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404016887) 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, 43404 + ... + 51883.

Almost surely, 2^404016880 is an apocalyptic number.

404016880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404016880 is an abundant number, since it is smaller than the sum of its proper divisors (553055792).

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

404016880 is a wasteful number, since it uses less digits than its factorization.

404016880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95353 (or 95347 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 404016880 is about 20100.1711435500. The cubic root of 404016880 is about 739.2644749113.

The spelling of 404016880 in words is "four hundred four million, sixteen thousand, eight hundred eighty".