404565696 has 168 divisors, whose sum is σ = 1222638144. Its totient is φ = 127733760.

The previous prime is 404565691. The next prime is 404565697. The reversal of 404565696 is 696565404.

404565696 is a `hidden beast` number, since 40 + 45 + 6 + 569 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (404565691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 873561 + ... + 874023.

It is an arithmetic number, because the mean of its divisors is an integer number (7277608).

Almost surely, 2^404565696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404565696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (611319072).

404565696 is an abundant number, since it is smaller than the sum of its proper divisors (818072448).

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

404565696 is a wasteful number, since it uses less digits than its factorization.

404565696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The square root of 404565696 is about 20113.8185335356. The cubic root of 404565696 is about 739.5990620871.

The spelling of 404565696 in words is "four hundred four million, five hundred sixty-five thousand, six hundred ninety-six".