30868507120 has 160 divisors (see below), whose sum is σ = 81489784320. Its totient is φ = 10771461120.

The previous prime is 30868507099. The next prime is 30868507133. The reversal of 30868507120 is 2170586803.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 4258219 + ... + 4265461.

It is an arithmetic number, because the mean of its divisors is an integer number (509311152).

Almost surely, 2^30868507120 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 30868507120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40744892160).

30868507120 is an abundant number, since it is smaller than the sum of its proper divisors (50621277200).

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

30868507120 is a wasteful number, since it uses less digits than its factorization.

30868507120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7463 (or 7457 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 30868507120 in words is "thirty billion, eight hundred sixty-eight million, five hundred seven thousand, one hundred twenty".