409605044 has 24 divisors (see below), whose sum is σ = 733736640. Its totient is φ = 200021184.

The previous prime is 409605037. The next prime is 409605107. The reversal of 409605044 is 440506904.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 409605044.

It is a congruent number.

It is an unprimeable number.

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, 23267 + ... + 36885.

It is an arithmetic number, because the mean of its divisors is an integer number (30572360).

Almost surely, 2^409605044 is an apocalyptic number.

It is an amenable number.

409605044 is a deficient number, since it is larger than the sum of its proper divisors (324131596).

409605044 is a wasteful number, since it uses less digits than its factorization.

409605044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13799 (or 13797 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 409605044 is about 20238.7016381980. The cubic root of 409605044 is about 742.6572618257.

The spelling of 409605044 in words is "four hundred nine million, six hundred five thousand, forty-four".