30500025028 has 12 divisors (see below), whose sum is σ = 58227320592. Its totient is φ = 13863647720.

The previous prime is 30500025013. The next prime is 30500025107. The reversal of 30500025028 is 82052000503.

It is a junction number, because it is equal to n+sod(n) for n = 30500024993 and 30500025011.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346591150 + ... + 346591237.

It is an arithmetic number, because the mean of its divisors is an integer number (4852276716).

Almost surely, 2^30500025028 is an apocalyptic number.

It is an amenable number.

30500025028 is a deficient number, since it is larger than the sum of its proper divisors (27727295564).

30500025028 is a wasteful number, since it uses less digits than its factorization.

30500025028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693182402 (or 693182400 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 30500025028 in words is "thirty billion, five hundred million, twenty-five thousand, twenty-eight".