411681856 has 28 divisors (see below), whose sum is σ = 828446400. Its totient is φ = 202939520.

The previous prime is 411681769. The next prime is 411681857. The reversal of 411681856 is 658186114.

It is not an unprimeable number, because it can be changed into a prime (411681857) 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, 40756 + ... + 49843.

Almost surely, 2^411681856 is an apocalyptic number.

It is an amenable number.

411681856 is an abundant number, since it is smaller than the sum of its proper divisors (416764544).

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

411681856 is an equidigital number, since it uses as much as digits as its factorization.

411681856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90682 (or 90672 counting only the distinct ones).

The product of its digits is 46080, while the sum is 40.

The square root of 411681856 is about 20289.9447017482. The cubic root of 411681856 is about 743.9103063724.

The spelling of 411681856 in words is "four hundred eleven million, six hundred eighty-one thousand, eight hundred fifty-six".