404144042011 has 8 divisors (see below), whose sum is σ = 420872817024. Its totient is φ = 387646008960.

The previous prime is 404144041981. The next prime is 404144042051. The reversal of 404144042011 is 110240441404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 404144042011 - 2³⁵ = 369784303643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404144042051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57681916 + ... + 57688921.

It is an arithmetic number, because the mean of its divisors is an integer number (52609102128).

Almost surely, 2^404144042011 is an apocalyptic number.

404144042011 is a deficient number, since it is larger than the sum of its proper divisors (16728775013).

404144042011 is a wasteful number, since it uses less digits than its factorization.

404144042011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115370981.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 404144042011 its reverse (110240441404), we get a palindrome (514384483415).

The spelling of 404144042011 in words is "four hundred four billion, one hundred forty-four million, forty-two thousand, eleven".