404342012 has 24 divisors (see below), whose sum is σ = 732790800. Its totient is φ = 194988416.

The previous prime is 404342009. The next prime is 404342017. The reversal of 404342012 is 210243404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404342017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186728 + ... + 188880.

It is an arithmetic number, because the mean of its divisors is an integer number (30532950).

Almost surely, 2^404342012 is an apocalyptic number.

It is an amenable number.

404342012 is a deficient number, since it is larger than the sum of its proper divisors (328448788).

404342012 is a wasteful number, since it uses less digits than its factorization.

404342012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3805 (or 3803 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 404342012 is about 20108.2573088769. The cubic root of 404342012 is about 739.4627290783.

Adding to 404342012 its reverse (210243404), we get a palindrome (614585416).

The spelling of 404342012 in words is "four hundred four million, three hundred forty-two thousand, twelve".