33404020041 has 16 divisors (see below), whose sum is σ = 50908846464. Its totient is φ = 19085205504.

The previous prime is 33404020009. The next prime is 33404020043. The reversal of 33404020041 is 14002040433.

It is not a de Polignac number, because 33404020041 - 2⁵ = 33404020009 is a prime.

It is a super-2 number, since 2×33404020041² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (33404020043) 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 15 ways as a sum of consecutive naturals, for example, 33865 + ... + 260681.

It is an arithmetic number, because the mean of its divisors is an integer number (3181802904).

Almost surely, 2^33404020041 is an apocalyptic number.

It is an amenable number.

33404020041 is a deficient number, since it is larger than the sum of its proper divisors (17504826423).

33404020041 is a wasteful number, since it uses less digits than its factorization.

33404020041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233840.

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

Adding to 33404020041 its reverse (14002040433), we get a palindrome (47406060474).

The spelling of 33404020041 in words is "thirty-three billion, four hundred four million, twenty thousand, forty-one".