30471396186 has 256 divisors, whose sum is σ = 81895587840. Its totient is φ = 7320741120.

The previous prime is 30471396169. The next prime is 30471396191. The reversal of 30471396186 is 68169317403.

It is a happy number.

It is a Curzon number.

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, 115860691 + ... + 115860953.

It is an arithmetic number, because the mean of its divisors is an integer number (319904640).

Almost surely, 2^30471396186 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30471396186, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40947793920).

30471396186 is an abundant number, since it is smaller than the sum of its proper divisors (51424191654).

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

30471396186 is a wasteful number, since it uses less digits than its factorization.

30471396186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569.

The product of its (nonzero) digits is 653184, while the sum is 48.

The spelling of 30471396186 in words is "thirty billion, four hundred seventy-one million, three hundred ninety-six thousand, one hundred eighty-six".