343777440344 has 16 divisors (see below), whose sum is σ = 694165985520. Its totient is φ = 158666510880.

The previous prime is 343777440287. The next prime is 343777440361. The reversal of 343777440344 is 443044777343.

It is a junction number, because it is equal to n+sod(n) for n = 343777440292 and 343777440301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1652776052 + ... + 1652776259.

It is an arithmetic number, because the mean of its divisors is an integer number (43385374095).

Almost surely, 2^343777440344 is an apocalyptic number.

It is an amenable number.

343777440344 is an abundant number, since it is smaller than the sum of its proper divisors (350388545176).

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

343777440344 is a wasteful number, since it uses less digits than its factorization.

343777440344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3305552330 (or 3305552326 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 50.

The spelling of 343777440344 in words is "three hundred forty-three billion, seven hundred seventy-seven million, four hundred forty thousand, three hundred forty-four".