404143112 has 8 divisors (see below), whose sum is σ = 757768350. Its totient is φ = 202071552.

The previous prime is 404143099. The next prime is 404143127. The reversal of 404143112 is 211341404.

It can be written as a sum of positive squares in only one way, i.e., 212984836 + 191158276 = 14594^2 + 13826^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25258937 + ... + 25258952.

Almost surely, 2^404143112 is an apocalyptic number.

It is an amenable number.

404143112 is a deficient number, since it is larger than the sum of its proper divisors (353625238).

404143112 is a wasteful number, since it uses less digits than its factorization.

404143112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50517895 (or 50517891 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 404143112 is about 20103.3109710814. The cubic root of 404143112 is about 739.3414594141.

Adding to 404143112 its reverse (211341404), we get a palindrome (615484516).

The spelling of 404143112 in words is "four hundred four million, one hundred forty-three thousand, one hundred twelve".