404242033 has 8 divisors (see below), whose sum is σ = 437528000. Its totient is φ = 371269008.

The previous prime is 404241977. The next prime is 404242079. The reversal of 404242033 is 330242404.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404242033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 404241995 and 404242013.

It is not an unprimeable number, because it can be changed into a prime (404242093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75543 + ... + 80716.

It is an arithmetic number, because the mean of its divisors is an integer number (54691000).

Almost surely, 2^404242033 is an apocalyptic number.

It is an amenable number.

404242033 is a deficient number, since it is larger than the sum of its proper divisors (33285967).

404242033 is a wasteful number, since it uses less digits than its factorization.

404242033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156471.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 404242033 is about 20105.7711366662. The cubic root of 404242033 is about 739.4017766862.

Adding to 404242033 its reverse (330242404), we get a palindrome (734484437).

The spelling of 404242033 in words is "four hundred four million, two hundred forty-two thousand, thirty-three".