404116533 has 12 divisors (see below), whose sum is σ = 605343648. Its totient is φ = 269410860.

The previous prime is 404116511. The next prime is 404116543. The reversal of 404116533 is 335611404.

404116533 is a `hidden beast` number, since 4 + 0 + 4 + 1 + 1 + 653 + 3 = 666.

It is not a de Polignac number, because 404116533 - 2⁵ = 404116501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 404116497 and 404116506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404116543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 831273 + ... + 831758.

It is an arithmetic number, because the mean of its divisors is an integer number (50445304).

Almost surely, 2^404116533 is an apocalyptic number.

It is an amenable number.

404116533 is a deficient number, since it is larger than the sum of its proper divisors (201227115).

404116533 is an equidigital number, since it uses as much as digits as its factorization.

404116533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663046 (or 1663034 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 404116533 is about 20102.6498999510. The cubic root of 404116533 is about 739.3252511397.

Adding to 404116533 its reverse (335611404), we get a palindrome (739727937).

The spelling of 404116533 in words is "four hundred four million, one hundred sixteen thousand, five hundred thirty-three".