30324998728 has 32 divisors (see below), whose sum is σ = 57309003360. Its totient is φ = 15043072000.

The previous prime is 30324998699. The next prime is 30324998729. The reversal of 30324998728 is 82789942303.

It is not an unprimeable number, because it can be changed into a prime (30324998729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486675 + ... + 545437.

It is an arithmetic number, because the mean of its divisors is an integer number (1790906355).

Almost surely, 2^30324998728 is an apocalyptic number.

It is an amenable number.

30324998728 is a deficient number, since it is larger than the sum of its proper divisors (26984004632).

30324998728 is a wasteful number, since it uses less digits than its factorization.

30324998728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59277 (or 59273 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 30324998728 in words is "thirty billion, three hundred twenty-four million, nine hundred ninety-eight thousand, seven hundred twenty-eight".