409490705682 has 24 divisors (see below), whose sum is σ = 906107095296. Its totient is φ = 133592712216.

The previous prime is 409490705677. The next prime is 409490705711. The reversal of 409490705682 is 286507094904.

409490705682 is a `hidden beast` number, since 4 + 0 + 9 + 4 + 9 + 0 + 70 + 568 + 2 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242014938 + ... + 242016629.

It is an arithmetic number, because the mean of its divisors is an integer number (37754462304).

Almost surely, 2^409490705682 is an apocalyptic number.

409490705682 is an abundant number, since it is smaller than the sum of its proper divisors (496616389614).

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

409490705682 is a wasteful number, since it uses less digits than its factorization.

409490705682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484031622 (or 484031619 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 409490705682 in words is "four hundred nine billion, four hundred ninety million, seven hundred five thousand, six hundred eighty-two".