30144334544 has 40 divisors (see below), whose sum is σ = 58881653952. Its totient is φ = 14949192960.

The previous prime is 30144334541. The next prime is 30144334553. The reversal of 30144334544 is 44543344103.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30144334541) 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, 7256372 + ... + 7260524.

Almost surely, 2^30144334544 is an apocalyptic number.

It is an amenable number.

30144334544 is a deficient number, since it is larger than the sum of its proper divisors (28737319408).

30144334544 is a wasteful number, since it uses less digits than its factorization.

30144334544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7755 (or 7749 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 30144334544 its reverse (44543344103), we get a palindrome (74687678647).

The spelling of 30144334544 in words is "thirty billion, one hundred forty-four million, three hundred thirty-four thousand, five hundred forty-four".