404004040111 has 8 divisors (see below), whose sum is σ = 469288065824. Its totient is φ = 340612305120.

The previous prime is 404004040103. The next prime is 404004040147. The reversal of 404004040111 is 111040400404.

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 404004040111 - 2³ = 404004040103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404004040211) 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, 473072220 + ... + 473073073.

It is an arithmetic number, because the mean of its divisors is an integer number (58661008228).

Almost surely, 2^404004040111 is an apocalyptic number.

404004040111 is a deficient number, since it is larger than the sum of its proper divisors (65284025713).

404004040111 is an equidigital number, since it uses as much as digits as its factorization.

404004040111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946145361.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 404004040111 its reverse (111040400404), we get a palindrome (515044440515).

The spelling of 404004040111 in words is "four hundred four billion, four million, forty thousand, one hundred eleven".