30220240423444 has 12 divisors (see below), whose sum is σ = 53153874654804. Its totient is φ = 15033419093504.

The previous prime is 30220240423423. The next prime is 30220240423447. The reversal of 30220240423444 is 44432404202203.

It can be written as a sum of positive squares in 2 ways, for example, as 28959874947844 + 1260365475600 = 5381438^2 + 1122660^2 .

It is a super-3 number, since 3×30220240423444³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220240423447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19175278669 + ... + 19175280244.

It is an arithmetic number, because the mean of its divisors is an integer number (4429489554567).

Almost surely, 2^{30220240423444} is an apocalyptic number.

It is an amenable number.

30220240423444 is a deficient number, since it is larger than the sum of its proper divisors (22933634231360).

30220240423444 is a wasteful number, since it uses less digits than its factorization.

30220240423444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38350559114 (or 38350559112 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 34.

Adding to 30220240423444 its reverse (44432404202203), we get a palindrome (74652644625647).

The spelling of 30220240423444 in words is "thirty trillion, two hundred twenty billion, two hundred forty million, four hundred twenty-three thousand, four hundred forty-four".