300528030138 has 64 divisors (see below), whose sum is σ = 712464629760. Its totient is φ = 82687695552.

The previous prime is 300528030097. The next prime is 300528030169. The reversal of 300528030138 is 831030825003.

It is a junction number, because it is equal to n+sod(n) for n = 300528030099 and 300528030108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144381 + ... + 788607.

It is an arithmetic number, because the mean of its divisors is an integer number (11132259840).

Almost surely, 2^300528030138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 300528030138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356232314880).

300528030138 is an abundant number, since it is smaller than the sum of its proper divisors (411936599622).

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

300528030138 is a wasteful number, since it uses less digits than its factorization.

300528030138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644651.

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 300528030138 in words is "three hundred billion, five hundred twenty-eight million, thirty thousand, one hundred thirty-eight".