340809752444 has 24 divisors (see below), whose sum is σ = 688237175808. Its totient is φ = 144643250160.

The previous prime is 340809752443. The next prime is 340809752447. The reversal of 340809752444 is 444257908043.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 340809752392 and 340809752401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340809752443) 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 7 ways as a sum of consecutive naturals, for example, 59083412 + ... + 59089179.

It is an arithmetic number, because the mean of its divisors is an integer number (28676548992).

Almost surely, 2^340809752444 is an apocalyptic number.

It is an amenable number.

340809752444 is an abundant number, since it is smaller than the sum of its proper divisors (347427423364).

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

340809752444 is a wasteful number, since it uses less digits than its factorization.

340809752444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118172705 (or 118172703 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 50.

The spelling of 340809752444 in words is "three hundred forty billion, eight hundred nine million, seven hundred fifty-two thousand, four hundred forty-four".