300040230440 has 32 divisors (see below), whose sum is σ = 714801727080. Its totient is φ = 112956321792.

The previous prime is 300040230437. The next prime is 300040230467. The reversal of 300040230440 is 44032040003.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 258667856836 + 41372373604 = 508594^2 + 203402^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220617137 + ... + 220618496.

Almost surely, 2^300040230440 is an apocalyptic number.

It is an amenable number.

300040230440 is an abundant number, since it is smaller than the sum of its proper divisors (414761496640).

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

300040230440 is a wasteful number, since it uses less digits than its factorization.

300040230440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441235661 (or 441235657 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 300040230440 its reverse (44032040003), we get a palindrome (344072270443).

The spelling of 300040230440 in words is "three hundred billion, forty million, two hundred thirty thousand, four hundred forty".