30155428068 has 24 divisors (see below), whose sum is σ = 70669932480. Its totient is φ = 10007914080.

The previous prime is 30155428057. The next prime is 30155428099. The reversal of 30155428068 is 86082455103.

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, 5484048 + ... + 5489543.

It is an arithmetic number, because the mean of its divisors is an integer number (2944580520).

Almost surely, 2^30155428068 is an apocalyptic number.

It is an amenable number.

30155428068 is an abundant number, since it is smaller than the sum of its proper divisors (40514504412).

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

30155428068 is a wasteful number, since it uses less digits than its factorization.

30155428068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10973827 (or 10973825 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 30155428068 in words is "thirty billion, one hundred fifty-five million, four hundred twenty-eight thousand, sixty-eight".