30444140442 has 16 divisors (see below), whose sum is σ = 60919071840. Its totient is φ = 10142914992.

The previous prime is 30444140399. The next prime is 30444140449. The reversal of 30444140442 is 24404144403.

It is not an unprimeable number, because it can be changed into a prime (30444140449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1270093 + ... + 1293840.

It is an arithmetic number, because the mean of its divisors is an integer number (3807441990).

Almost surely, 2^30444140442 is an apocalyptic number.

30444140442 is an abundant number, since it is smaller than the sum of its proper divisors (30474931398).

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

30444140442 is a wasteful number, since it uses less digits than its factorization.

30444140442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2565917.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 30444140442 its reverse (24404144403), we get a palindrome (54848284845).

The spelling of 30444140442 in words is "thirty billion, four hundred forty-four million, one hundred forty thousand, four hundred forty-two".