343145777744 has 80 divisors (see below), whose sum is σ = 845814019200. Its totient is φ = 133693136640.

The previous prime is 343145777731. The next prime is 343145777749. The reversal of 343145777744 is 447777541343.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a self number, because there is not a number n which added to its sum of digits gives 343145777744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343145777749) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2781749 + ... + 2902484.

It is an arithmetic number, because the mean of its divisors is an integer number (10572675240).

Almost surely, 2^343145777744 is an apocalyptic number.

It is an amenable number.

343145777744 is an abundant number, since it is smaller than the sum of its proper divisors (502668241456).

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

343145777744 is a wasteful number, since it uses less digits than its factorization.

343145777744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5684273 (or 5684253 counting only the distinct ones).

The product of its digits is 27659520, while the sum is 56.

The spelling of 343145777744 in words is "three hundred forty-three billion, one hundred forty-five million, seven hundred seventy-seven thousand, seven hundred forty-four".