30381394500 has 144 divisors (see below), whose sum is σ = 95961325824. Its totient is φ = 8091720000.

The previous prime is 30381394493. The next prime is 30381394513. The reversal of 30381394500 is 549318303.

30381394500 is a `hidden beast` number, since 30 + 38 + 1 + 3 + 94 + 500 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4095795 + ... + 4103205.

It is an arithmetic number, because the mean of its divisors is an integer number (666398096).

Almost surely, 2^30381394500 is an apocalyptic number.

30381394500 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 30381394500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47980662912).

30381394500 is an abundant number, since it is smaller than the sum of its proper divisors (65579931324).

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

30381394500 is a wasteful number, since it uses less digits than its factorization.

30381394500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8347 (or 8332 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 30381394500 in words is "thirty billion, three hundred eighty-one million, three hundred ninety-four thousand, five hundred".