30520553413650 has 96 divisors (see below), whose sum is σ = 76408752116160. Its totient is φ = 8061654328320.

The previous prime is 30520553413631. The next prime is 30520553413687. The reversal of 30520553413650 is 5631435502503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 121485366 + ... + 121736334.

It is an arithmetic number, because the mean of its divisors is an integer number (795924501210).

Almost surely, 2^{30520553413650} is an apocalyptic number.

30520553413650 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30520553413650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38204376058080).

30520553413650 is an abundant number, since it is smaller than the sum of its proper divisors (45888198702510).

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

30520553413650 is a wasteful number, since it uses less digits than its factorization.

30520553413650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258668 (or 258663 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 42.

The spelling of 30520553413650 in words is "thirty trillion, five hundred twenty billion, five hundred fifty-three million, four hundred thirteen thousand, six hundred fifty".