30128016 has 20 divisors (see below), whose sum is σ = 77830832. Its totient is φ = 10042656.

The previous prime is 30128011. The next prime is 30128039. The reversal of 30128016 is 61082103.

It is a junction number, because it is equal to n+sod(n) for n = 30127983 and 30128001.

It is not an unprimeable number, because it can be changed into a prime (30128011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313786 + ... + 313881.

Almost surely, 2^30128016 is an apocalyptic number.

It is an amenable number.

30128016 is an abundant number, since it is smaller than the sum of its proper divisors (47702816).

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

30128016 is a wasteful number, since it uses less digits than its factorization.

30128016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627678 (or 627672 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 30128016 is about 5488.8993432199. The cubic root of 30128016 is about 311.1645961711.

The spelling of 30128016 in words is "thirty million, one hundred twenty-eight thousand, sixteen".