30404040433 has 4 divisors (see below), whose sum is σ = 32742812788. Its totient is φ = 28065268080.

The previous prime is 30404040427. The next prime is 30404040437. The reversal of 30404040433 is 33404040403.

It is a happy number.

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 3136784049 + 27267256384 = 56007^2 + 165128^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30404040433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30404040398 and 30404040407.

It is not an unprimeable number, because it can be changed into a prime (30404040437) 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, 1169386158 + ... + 1169386183.

It is an arithmetic number, because the mean of its divisors is an integer number (8185703197).

Almost surely, 2^30404040433 is an apocalyptic number.

It is an amenable number.

30404040433 is a deficient number, since it is larger than the sum of its proper divisors (2338772355).

30404040433 is a wasteful number, since it uses less digits than its factorization.

30404040433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2338772354.

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 30404040433 its reverse (33404040403), we get a palindrome (63808080836).

The spelling of 30404040433 in words is "thirty billion, four hundred four million, forty thousand, four hundred thirty-three".