30028255028 has 24 divisors (see below), whose sum is σ = 54308077824. Its totient is φ = 14512795200.

The previous prime is 30028255013. The next prime is 30028255067. The reversal of 30028255028 is 82055282003.

It is a super-2 number, since 2×30028255028² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35018 + ... + 247553.

It is an arithmetic number, because the mean of its divisors is an integer number (2262836576).

Almost surely, 2^30028255028 is an apocalyptic number.

It is an amenable number.

30028255028 is a deficient number, since it is larger than the sum of its proper divisors (24279822796).

30028255028 is a wasteful number, since it uses less digits than its factorization.

30028255028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283463 (or 283461 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The spelling of 30028255028 in words is "thirty billion, twenty-eight million, two hundred fifty-five thousand, twenty-eight".