300040200 has 120 divisors (see below), whose sum is σ = 1042140330. Its totient is φ = 80006400.

The previous prime is 300040163. The next prime is 300040207. The reversal of 300040200 is 2040003.

It can be written as a sum of positive squares in 3 ways, for example, as 290566116 + 9474084 = 17046^2 + 3078^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (300040207) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 6940 + ... + 25460.

Almost surely, 2^300040200 is an apocalyptic number.

300040200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 300040200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (521070165).

300040200 is an abundant number, since it is smaller than the sum of its proper divisors (742100130).

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

300040200 is a wasteful number, since it uses less digits than its factorization.

300040200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18549 (or 18531 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 300040200 is about 17321.6685108566. The cubic root of 300040200 is about 669.4628500851.

Adding to 300040200 its reverse (2040003), we get a palindrome (302080203).

The spelling of 300040200 in words is "three hundred million, forty thousand, two hundred".