30002505500 has 96 divisors (see below), whose sum is σ = 72490070016. Its totient is φ = 10756200000.

The previous prime is 30002505497. The next prime is 30002505521. The reversal of 30002505500 is 550520003.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 352085 + ... + 428915.

It is an arithmetic number, because the mean of its divisors is an integer number (755104896).

Almost surely, 2^30002505500 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 30002505500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36245035008).

30002505500 is an abundant number, since it is smaller than the sum of its proper divisors (42487564516).

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

30002505500 is a wasteful number, since it uses less digits than its factorization.

30002505500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76932 (or 76920 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 20.

The spelling of 30002505500 in words is "thirty billion, two million, five hundred five thousand, five hundred".