300138989670 has 384 divisors, whose sum is σ = 929209881600. Its totient is φ = 66504582144.

The previous prime is 300138989659. The next prime is 300138989699. The reversal of 300138989670 is 76989831003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 80270661 + ... + 80274399.

It is an arithmetic number, because the mean of its divisors is an integer number (2419817400).

Almost surely, 2^300138989670 is an apocalyptic number.

300138989670 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 300138989670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (464604940800).

300138989670 is an abundant number, since it is smaller than the sum of its proper divisors (629070891930).

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

300138989670 is a wasteful number, since it uses less digits than its factorization.

300138989670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3964 (or 3961 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 300138989670 in words is "three hundred billion, one hundred thirty-eight million, nine hundred eighty-nine thousand, six hundred seventy".