30528332844 has 48 divisors (see below), whose sum is σ = 73021175136. Its totient is φ = 9920972800.

The previous prime is 30528332833. The next prime is 30528332881. The reversal of 30528332844 is 44823382503.

It is a junction number, because it is equal to n+sod(n) for n = 30528332796 and 30528332805.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 707704 + ... + 749600.

It is an arithmetic number, because the mean of its divisors is an integer number (1521274482).

Almost surely, 2^30528332844 is an apocalyptic number.

It is an amenable number.

30528332844 is an abundant number, since it is smaller than the sum of its proper divisors (42492842292).

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

30528332844 is a wasteful number, since it uses less digits than its factorization.

30528332844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43426 (or 43424 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 30528332844 in words is "thirty billion, five hundred twenty-eight million, three hundred thirty-two thousand, eight hundred forty-four".