404023444320212 has 24 divisors (see below), whose sum is σ = 709378393689504. Its totient is φ = 201343966905312.

The previous prime is 404023444320211. The next prime is 404023444320229. The reversal of 404023444320212 is 212023444320404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404023444320211) 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, 17483798 + ... + 33372594.

It is an arithmetic number, because the mean of its divisors is an integer number (29557433070396).

Almost surely, 2^{404023444320212} is an apocalyptic number.

It is an amenable number.

404023444320212 is a deficient number, since it is larger than the sum of its proper divisors (305354949369292).

404023444320212 is a wasteful number, since it uses less digits than its factorization.

404023444320212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15909815 (or 15909813 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 404023444320212 its reverse (212023444320404), we get a palindrome (616046888640616).

The spelling of 404023444320212 in words is "four hundred four trillion, twenty-three billion, four hundred forty-four million, three hundred twenty thousand, two hundred twelve".