30440444441 has 12 divisors (see below), whose sum is σ = 33500798100. Its totient is φ = 27638835840.

The previous prime is 30440444423. The next prime is 30440444449. The reversal of 30440444441 is 14444404403.

It can be written as a sum of positive squares in 2 ways, for example, as 22909849600 + 7530594841 = 151360^2 + 86779^2 .

It is a de Polignac number, because none of the positive numbers 2^k-30440444441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30440444398 and 30440444407.

It is not an unprimeable number, because it can be changed into a prime (30440444449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57596 + ... + 253373.

It is an arithmetic number, because the mean of its divisors is an integer number (2791733175).

Almost surely, 2^30440444441 is an apocalyptic number.

It is an amenable number.

30440444441 is a deficient number, since it is larger than the sum of its proper divisors (3060353659).

30440444441 is a wasteful number, since it uses less digits than its factorization.

30440444441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311800 (or 311789 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 30440444441 its reverse (14444404403), we get a palindrome (44884848844).

The spelling of 30440444441 in words is "thirty billion, four hundred forty million, four hundred forty-four thousand, four hundred forty-one".