30120144044 has 24 divisors (see below), whose sum is σ = 53622550800. Its totient is φ = 14799595520.

The previous prime is 30120143981. The next prime is 30120144083. The reversal of 30120144044 is 44044102103.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 696692 + ... + 738660.

It is an arithmetic number, because the mean of its divisors is an integer number (2234272950).

Almost surely, 2^30120144044 is an apocalyptic number.

It is an amenable number.

30120144044 is a deficient number, since it is larger than the sum of its proper divisors (23502406756).

30120144044 is a wasteful number, since it uses less digits than its factorization.

30120144044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45073 (or 45071 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 30120144044 its reverse (44044102103), we get a palindrome (74164246147).

The spelling of 30120144044 in words is "thirty billion, one hundred twenty million, one hundred forty-four thousand, forty-four".