30128557604 has 12 divisors (see below), whose sum is σ = 53236869504. Its totient is φ = 14918023464.

The previous prime is 30128557489. The next prime is 30128557609. The reversal of 30128557604 is 40675582103.

It is not an unprimeable number, because it can be changed into a prime (30128557609) 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, 36563372 + ... + 36564195.

It is an arithmetic number, because the mean of its divisors is an integer number (4436405792).

Almost surely, 2^30128557604 is an apocalyptic number.

It is an amenable number.

30128557604 is a deficient number, since it is larger than the sum of its proper divisors (23108311900).

30128557604 is a wasteful number, since it uses less digits than its factorization.

30128557604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73127674 (or 73127672 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 30128557604 in words is "thirty billion, one hundred twenty-eight million, five hundred fifty-seven thousand, six hundred four".