30444140112 has 80 divisors (see below), whose sum is σ = 79371110400. Its totient is φ = 10055001600.

The previous prime is 30444140081. The next prime is 30444140113. The reversal of 30444140112 is 21104144403.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30444140113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3005937 + ... + 3016047.

It is an arithmetic number, because the mean of its divisors is an integer number (992138880).

Almost surely, 2^30444140112 is an apocalyptic number.

It is an amenable number.

30444140112 is an abundant number, since it is smaller than the sum of its proper divisors (48926970288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30444140112 is a wasteful number, since it uses less digits than its factorization.

30444140112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10692 (or 10686 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 30444140112 its reverse (21104144403), we get a palindrome (51548284515).

The spelling of 30444140112 in words is "thirty billion, four hundred forty-four million, one hundred forty thousand, one hundred twelve".