340423312044 has 24 divisors (see below), whose sum is σ = 794611991488. Its totient is φ = 113432875920.

The previous prime is 340423312043. The next prime is 340423312093. The reversal of 340423312044 is 440213324043.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (340423312043) by changing a digit.

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, 5161042 + ... + 5226585.

Almost surely, 2^340423312044 is an apocalyptic number.

It is an amenable number.

340423312044 is an abundant number, since it is smaller than the sum of its proper divisors (454188679444).

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

340423312044 is a wasteful number, since it uses less digits than its factorization.

340423312044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10390365 (or 10390363 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 340423312044 its reverse (440213324043), we get a palindrome (780636636087).

The spelling of 340423312044 in words is "three hundred forty billion, four hundred twenty-three million, three hundred twelve thousand, forty-four".