344043133430440 has 64 divisors (see below), whose sum is σ = 785798407560960. Its totient is φ = 135540955683840.

The previous prime is 344043133430429. The next prime is 344043133430441. The reversal of 344043133430440 is 44034331340443.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 344043133430393 and 344043133430402.

It is not an unprimeable number, because it can be changed into a prime (344043133430441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58826769 + ... + 64410208.

It is an arithmetic number, because the mean of its divisors is an integer number (12278100118140).

Almost surely, 2^{344043133430440} is an apocalyptic number.

It is an amenable number.

344043133430440 is an abundant number, since it is smaller than the sum of its proper divisors (441755274130520).

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

344043133430440 is a wasteful number, since it uses less digits than its factorization.

344043133430440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123238042 (or 123238038 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 40.

Adding to 344043133430440 its reverse (44034331340443), we get a palindrome (388077464770883).

The spelling of 344043133430440 in words is "three hundred forty-four trillion, forty-three billion, one hundred thirty-three million, four hundred thirty thousand, four hundred forty".