30836485680 has 640 divisors, whose sum is σ = 131127607296. Its totient is φ = 5786726400.

The previous prime is 30836485643. The next prime is 30836485711. The reversal of 30836485680 is 8658463803.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11289915 + ... + 11292645.

Almost surely, 2^30836485680 is an apocalyptic number.

30836485680 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 30836485680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65563803648).

30836485680 is an abundant number, since it is smaller than the sum of its proper divisors (100291121616).

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

30836485680 is a wasteful number, since it uses less digits than its factorization.

30836485680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2825 (or 2819 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 51.

The spelling of 30836485680 in words is "thirty billion, eight hundred thirty-six million, four hundred eighty-five thousand, six hundred eighty".