30444423412 has 48 divisors (see below), whose sum is σ = 60771952080. Its totient is φ = 13220186112.

The previous prime is 30444423403. The next prime is 30444423419. The reversal of 30444423412 is 21432444403.

It can be written as a sum of positive squares in 8 ways, for example, as 1515856356 + 28928567056 = 38934^2 + 170084^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30444423419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4583758 + ... + 4590394.

It is an arithmetic number, because the mean of its divisors is an integer number (1266082335).

Almost surely, 2^30444423412 is an apocalyptic number.

It is an amenable number.

30444423412 is a deficient number, since it is larger than the sum of its proper divisors (30327528668).

30444423412 is a wasteful number, since it uses less digits than its factorization.

30444423412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11860 (or 11858 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 30444423412 its reverse (21432444403), we get a palindrome (51876867815).

The spelling of 30444423412 in words is "thirty billion, four hundred forty-four million, four hundred twenty-three thousand, four hundred twelve".