409208452844 has 12 divisors (see below), whose sum is σ = 716171656704. Its totient is φ = 204587979504.

The previous prime is 409208452841. The next prime is 409208452931. The reversal of 409208452844 is 448254802904.

It is a junction number, because it is equal to n+sod(n) for n = 409208452792 and 409208452801.

It is not an unprimeable number, because it can be changed into a prime (409208452841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4004972 + ... + 4105875.

It is an arithmetic number, because the mean of its divisors is an integer number (59680971392).

Almost surely, 2^409208452844 is an apocalyptic number.

It is an amenable number.

409208452844 is a deficient number, since it is larger than the sum of its proper divisors (306963203860).

409208452844 is a wasteful number, since it uses less digits than its factorization.

409208452844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8123464 (or 8123462 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 50.

The spelling of 409208452844 in words is "four hundred nine billion, two hundred eight million, four hundred fifty-two thousand, eight hundred forty-four".