33404020241 has 4 divisors (see below), whose sum is σ = 34218752484. Its totient is φ = 32589288000.

The previous prime is 33404020231. The next prime is 33404020253. The reversal of 33404020241 is 14202040433.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13023602641 + 20380417600 = 114121^2 + 142760^2 .

It is a cyclic number.

It is not a de Polignac number, because 33404020241 - 2²² = 33399825937 is a prime.

It is a super-2 number, since 2×33404020241² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33404020211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407366060 + ... + 407366141.

It is an arithmetic number, because the mean of its divisors is an integer number (8554688121).

Almost surely, 2^33404020241 is an apocalyptic number.

It is an amenable number.

33404020241 is a deficient number, since it is larger than the sum of its proper divisors (814732243).

33404020241 is an equidigital number, since it uses as much as digits as its factorization.

33404020241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814732242.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 33404020241 its reverse (14202040433), we get a palindrome (47606060674).

The spelling of 33404020241 in words is "thirty-three billion, four hundred four million, twenty thousand, two hundred forty-one".