30028500372 has 96 divisors (see below), whose sum is σ = 79770337920. Its totient is φ = 8715479040.

The previous prime is 30028500259. The next prime is 30028500373. The reversal of 30028500372 is 27300582003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30028500373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 668872 + ... + 712352.

It is an arithmetic number, because the mean of its divisors is an integer number (830941020).

Almost surely, 2^30028500372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30028500372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39885168960).

30028500372 is an abundant number, since it is smaller than the sum of its proper divisors (49741837548).

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

30028500372 is a wasteful number, since it uses less digits than its factorization.

30028500372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43753 (or 43751 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The spelling of 30028500372 in words is "thirty billion, twenty-eight million, five hundred thousand, three hundred seventy-two".