30866880000 has 800 divisors, whose sum is σ = 116584680960. Its totient is φ = 7188480000.

The previous prime is 30866879983. The next prime is 30866880067. The reversal of 30866880000 is 8866803.

It is a tau number, because it is divible by the number of its divisors (800).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 390719961 + ... + 390720039.

Almost surely, 2^30866880000 is an apocalyptic number.

30866880000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30866880000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58292340480).

30866880000 is an abundant number, since it is smaller than the sum of its proper divisors (85717800960).

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

30866880000 is an equidigital number, since it uses as much as digits as its factorization.

30866880000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 30866880000 in words is "thirty billion, eight hundred sixty-six million, eight hundred eighty thousand".