404042133 has 8 divisors (see below), whose sum is σ = 587697696. Its totient is φ = 244874000.

The previous prime is 404042131. The next prime is 404042153. The reversal of 404042133 is 331240404.

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 404042133 - 2¹ = 404042131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404042131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6121818 + ... + 6121883.

It is an arithmetic number, because the mean of its divisors is an integer number (73462212).

Almost surely, 2^404042133 is an apocalyptic number.

It is an amenable number.

404042133 is a deficient number, since it is larger than the sum of its proper divisors (183655563).

404042133 is a wasteful number, since it uses less digits than its factorization.

404042133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12243715.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 404042133 is about 20100.7993124652. The cubic root of 404042133 is about 739.2798771199.

Adding to 404042133 its reverse (331240404), we get a palindrome (735282537).

The spelling of 404042133 in words is "four hundred four million, forty-two thousand, one hundred thirty-three".