30305402044 has 6 divisors (see below), whose sum is σ = 53034453584. Its totient is φ = 15152701020.

The previous prime is 30305402041. The next prime is 30305402081. The reversal of 30305402044 is 44020450303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30305402041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3788175252 + ... + 3788175259.

Almost surely, 2^30305402044 is an apocalyptic number.

It is an amenable number.

30305402044 is a deficient number, since it is larger than the sum of its proper divisors (22729051540).

30305402044 is a wasteful number, since it uses less digits than its factorization.

30305402044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7576350515 (or 7576350513 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 30305402044 its reverse (44020450303), we get a palindrome (74325852347).

The spelling of 30305402044 in words is "thirty billion, three hundred five million, four hundred two thousand, forty-four".