30044440120 has 32 divisors (see below), whose sum is σ = 68231775600. Its totient is φ = 11905458688.

The previous prime is 30044440081. The next prime is 30044440121. The reversal of 30044440120 is 2104444003.

It is a super-2 number, since 2×30044440120² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30044440091 and 30044440100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30044440121) 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, 3505585 + ... + 3514144.

Almost surely, 2^30044440120 is an apocalyptic number.

It is an amenable number.

30044440120 is an abundant number, since it is smaller than the sum of its proper divisors (38187335480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30044440120 is a wasteful number, since it uses less digits than its factorization.

30044440120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7019847 (or 7019843 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 30044440120 its reverse (2104444003), we get a palindrome (32148884123).

The spelling of 30044440120 in words is "thirty billion, forty-four million, four hundred forty thousand, one hundred twenty".