30178036420 has 96 divisors (see below), whose sum is σ = 75699380736. Its totient is φ = 9880780800.

The previous prime is 30178036391. The next prime is 30178036453. The reversal of 30178036420 is 2463087103.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2056710 + ... + 2071330.

It is an arithmetic number, because the mean of its divisors is an integer number (788535216).

Almost surely, 2^30178036420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30178036420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37849690368).

30178036420 is an abundant number, since it is smaller than the sum of its proper divisors (45521344316).

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

30178036420 is a wasteful number, since it uses less digits than its factorization.

30178036420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15301 (or 15299 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 30178036420 in words is "thirty billion, one hundred seventy-eight million, thirty-six thousand, four hundred twenty".