30305027805396 has 12 divisors (see below), whose sum is σ = 70711731545952. Its totient is φ = 10101675935128.

The previous prime is 30305027805391. The next prime is 30305027805397. The reversal of 30305027805396 is 69350872050303.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30305027805391) 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, 1262709491880 + ... + 1262709491903.

It is an arithmetic number, because the mean of its divisors is an integer number (5892644295496).

Almost surely, 2^{30305027805396} is an apocalyptic number.

It is an amenable number.

30305027805396 is an abundant number, since it is smaller than the sum of its proper divisors (40406703740556).

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

30305027805396 is a wasteful number, since it uses less digits than its factorization.

30305027805396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525418983790 (or 2525418983788 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 51.

Adding to 30305027805396 its reverse (69350872050303), we get a palindrome (99655899855699).

The spelling of 30305027805396 in words is "thirty trillion, three hundred five billion, twenty-seven million, eight hundred five thousand, three hundred ninety-six".