30444340433 has 12 divisors (see below), whose sum is σ = 34602628788. Its totient is φ = 26623386720.

The previous prime is 30444340429. The next prime is 30444340441. The reversal of 30444340433 is 33404344403.

It can be written as a sum of positive squares in 2 ways, for example, as 17222100289 + 13222240144 = 131233^2 + 114988^2 .

It is not a de Polignac number, because 30444340433 - 2² = 30444340429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30444340433.

It is not an unprimeable number, because it can be changed into a prime (30444340483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3238898 + ... + 3248283.

It is an arithmetic number, because the mean of its divisors is an integer number (2883552399).

Almost surely, 2^30444340433 is an apocalyptic number.

It is an amenable number.

30444340433 is a deficient number, since it is larger than the sum of its proper divisors (4158288355).

30444340433 is a wasteful number, since it uses less digits than its factorization.

30444340433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6487232 (or 6487213 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 30444340433 its reverse (33404344403), we get a palindrome (63848684836).

The spelling of 30444340433 in words is "thirty billion, four hundred forty-four million, three hundred forty thousand, four hundred thirty-three".