300140022640 has 80 divisors (see below), whose sum is σ = 711411939936. Its totient is φ = 117730483200.

The previous prime is 300140022631. The next prime is 300140022659. The reversal of 300140022640 is 46220041003.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1522374 + ... + 1708186.

Almost surely, 2^300140022640 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 300140022640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355705969968).

300140022640 is an abundant number, since it is smaller than the sum of its proper divisors (411271917296).

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

300140022640 is a wasteful number, since it uses less digits than its factorization.

300140022640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186218 (or 186212 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 300140022640 its reverse (46220041003), we get a palindrome (346360063643).

The spelling of 300140022640 in words is "three hundred billion, one hundred forty million, twenty-two thousand, six hundred forty".