30199193856 has 432 divisors, whose sum is σ = 100281452544. Its totient is φ = 8658026496.

The previous prime is 30199193831. The next prime is 30199193863. The reversal of 30199193856 is 65839199103.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64666135 + ... + 64666601.

It is an arithmetic number, because the mean of its divisors is an integer number (232132992).

Almost surely, 2^30199193856 is an apocalyptic number.

30199193856 is a gapful number since it is divisible by the number (36) 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 30199193856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50140726272).

30199193856 is an abundant number, since it is smaller than the sum of its proper divisors (70082258688).

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

30199193856 is a wasteful number, since it uses less digits than its factorization.

30199193856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 54.

The spelling of 30199193856 in words is "thirty billion, one hundred ninety-nine million, one hundred ninety-three thousand, eight hundred fifty-six".