30140120500 has 288 divisors, whose sum is σ = 80668224000. Its totient is φ = 9794668800.

The previous prime is 30140120459. The next prime is 30140120501. The reversal of 30140120500 is 502104103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30140120501) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 41919141 + ... + 41919859.

It is an arithmetic number, because the mean of its divisors is an integer number (280098000).

Almost surely, 2^30140120500 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 30140120500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40334112000).

30140120500 is an abundant number, since it is smaller than the sum of its proper divisors (50528103500).

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

30140120500 is a wasteful number, since it uses less digits than its factorization.

30140120500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840 (or 821 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

Adding to 30140120500 its reverse (502104103), we get a palindrome (30642224603).

The spelling of 30140120500 in words is "thirty billion, one hundred forty million, one hundred twenty thousand, five hundred".