404404000033 has 4 divisors (see below), whose sum is σ = 441168000048. Its totient is φ = 367640000020.

The previous prime is 404404000027. The next prime is 404404000037. The reversal of 404404000033 is 330000404404.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 404404000033 - 2¹⁷ = 404403868961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404403999968 and 404404000013.

It is not an unprimeable number, because it can be changed into a prime (404404000037) 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, 18381999991 + ... + 18382000012.

It is an arithmetic number, because the mean of its divisors is an integer number (110292000012).

Almost surely, 2^404404000033 is an apocalyptic number.

It is an amenable number.

404404000033 is a deficient number, since it is larger than the sum of its proper divisors (36764000015).

404404000033 is a wasteful number, since it uses less digits than its factorization.

404404000033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36764000014.

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

Adding to 404404000033 its reverse (330000404404), we get a palindrome (734404404437).

The spelling of 404404000033 in words is "four hundred four billion, four hundred four million, thirty-three", and thus it is an aban number.