404023012140144 has 20 divisors (see below), whose sum is σ = 1043726114695496. Its totient is φ = 134674337380032.

The previous prime is 404023012140113. The next prime is 404023012140173. The reversal of 404023012140144 is 441041210320404.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4208573043079 + ... + 4208573043174.

Almost surely, 2^{404023012140144} is an apocalyptic number.

It is an amenable number.

404023012140144 is an abundant number, since it is smaller than the sum of its proper divisors (639703102555352).

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

404023012140144 is a wasteful number, since it uses less digits than its factorization.

404023012140144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8417146086264 (or 8417146086258 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 404023012140144 its reverse (441041210320404), we get a palindrome (845064222460548).

The spelling of 404023012140144 in words is "four hundred four trillion, twenty-three billion, twelve million, one hundred forty thousand, one hundred forty-four".