404040342343204 has 12 divisors (see below), whose sum is σ = 808080684686464. Its totient is φ = 173160146718504.

The previous prime is 404040342343181. The next prime is 404040342343207. The reversal of 404040342343204 is 402343243040404.

404040342343204 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (404040342343207) 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, 7215006113244 + ... + 7215006113299.

Almost surely, 2^{404040342343204} is an apocalyptic number.

It is an amenable number.

404040342343204 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

404040342343204 is a wasteful number, since it uses less digits than its factorization.

404040342343204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14430012226554 (or 14430012226552 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 37.

Adding to 404040342343204 its reverse (402343243040404), we get a palindrome (806383585383608).

The spelling of 404040342343204 in words is "four hundred four trillion, forty billion, three hundred forty-two million, three hundred forty-three thousand, two hundred four".