300140444 has 12 divisors (see below), whose sum is σ = 526318968. Its totient is φ = 149763600.

The previous prime is 300140443. The next prime is 300140471. The reversal of 300140444 is 444041003.

It is a super-2 number, since 2×300140444² = 180168572249034272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300140441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74447 + ... + 78374.

It is an arithmetic number, because the mean of its divisors is an integer number (43859914).

Almost surely, 2^300140444 is an apocalyptic number.

It is an amenable number.

300140444 is a deficient number, since it is larger than the sum of its proper divisors (226178524).

300140444 is a wasteful number, since it uses less digits than its factorization.

300140444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153316 (or 153314 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 300140444 is about 17324.5618703620. The cubic root of 300140444 is about 669.5373980529.

Adding to 300140444 its reverse (444041003), we get a palindrome (744181447).

The spelling of 300140444 in words is "three hundred million, one hundred forty thousand, four hundred forty-four".