404552111 has 4 divisors (see below), whose sum is σ = 428349312. Its totient is φ = 380754912.

The previous prime is 404552101. The next prime is 404552119. The reversal of 404552111 is 111255404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 404552111 - 2¹⁴ = 404535727 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 (404552119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11898575 + ... + 11898608.

It is an arithmetic number, because the mean of its divisors is an integer number (107087328).

Almost surely, 2^404552111 is an apocalyptic number.

404552111 is a deficient number, since it is larger than the sum of its proper divisors (23797201).

404552111 is a wasteful number, since it uses less digits than its factorization.

404552111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23797200.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 404552111 is about 20113.4808275445. The cubic root of 404552111 is about 739.5907836083.

The spelling of 404552111 in words is "four hundred four million, five hundred fifty-two thousand, one hundred eleven".