404069668 has 48 divisors (see below), whose sum is σ = 768144384. Its totient is φ = 185269760.

The previous prime is 404069663. The next prime is 404069689. The reversal of 404069668 is 866960404.

It is not an unprimeable number, because it can be changed into a prime (404069663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 688071 + ... + 688657.

It is an arithmetic number, because the mean of its divisors is an integer number (16003008).

Almost surely, 2^404069668 is an apocalyptic number.

It is an amenable number.

404069668 is a deficient number, since it is larger than the sum of its proper divisors (364074716).

404069668 is a wasteful number, since it uses less digits than its factorization.

404069668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852 (or 850 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 404069668 is about 20101.4842238080. The cubic root of 404069668 is about 739.2966704255.

The spelling of 404069668 in words is "four hundred four million, sixty-nine thousand, six hundred sixty-eight".