30541220528 has 160 divisors (see below), whose sum is σ = 77710026240. Its totient is φ = 11283517440.

The previous prime is 30541220449. The next prime is 30541220533. The reversal of 30541220528 is 82502214503.

It is a junction number, because it is equal to n+sod(n) for n = 30541220494 and 30541220503.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3237803 + ... + 3247221.

It is an arithmetic number, because the mean of its divisors is an integer number (485687664).

Almost surely, 2^30541220528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30541220528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38855013120).

30541220528 is an abundant number, since it is smaller than the sum of its proper divisors (47168805712).

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

30541220528 is a wasteful number, since it uses less digits than its factorization.

30541220528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9595 (or 9589 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 30541220528 in words is "thirty billion, five hundred forty-one million, two hundred twenty thousand, five hundred twenty-eight".