30028056028 has 6 divisors (see below), whose sum is σ = 52549098056. Its totient is φ = 15014028012.

The previous prime is 30028056013. The next prime is 30028056031. The reversal of 30028056028 is 82065082003.

It is a junction number, because it is equal to n+sod(n) for n = 30028055984 and 30028056002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3753507000 + ... + 3753507007.

Almost surely, 2^30028056028 is an apocalyptic number.

It is an amenable number.

30028056028 is a deficient number, since it is larger than the sum of its proper divisors (22521042028).

30028056028 is a wasteful number, since it uses less digits than its factorization.

30028056028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7507014011 (or 7507014009 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 30028056028 in words is "thirty billion, twenty-eight million, fifty-six thousand, twenty-eight".