30064442644 has 6 divisors (see below), whose sum is σ = 52612774634. Its totient is φ = 15032221320.

The previous prime is 30064442609. The next prime is 30064442687. The reversal of 30064442644 is 44624446003.

It can be written as a sum of positive squares in only one way, i.e., 16896880144 + 13167562500 = 129988^2 + 114750^2 .

It is a super-2 number, since 2×30064442644² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3758055327 + ... + 3758055334.

Almost surely, 2^30064442644 is an apocalyptic number.

It is an amenable number.

30064442644 is a deficient number, since it is larger than the sum of its proper divisors (22548331990).

30064442644 is a wasteful number, since it uses less digits than its factorization.

30064442644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7516110665 (or 7516110663 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 30064442644 its reverse (44624446003), we get a palindrome (74688888647).

The spelling of 30064442644 in words is "thirty billion, sixty-four million, four hundred forty-two thousand, six hundred forty-four".