343644861424 has 20 divisors (see below), whose sum is σ = 665947097640. Its totient is φ = 171787545920.

The previous prime is 343644861419. The next prime is 343644861431. The reversal of 343644861424 is 424168446343.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2098939 + ... + 2256730.

It is an arithmetic number, because the mean of its divisors is an integer number (33297354882).

Almost surely, 2^343644861424 is an apocalyptic number.

It is an amenable number.

343644861424 is a deficient number, since it is larger than the sum of its proper divisors (322302236216).

343644861424 is a wasteful number, since it uses less digits than its factorization.

343644861424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4360608 (or 4360602 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 49.

The spelling of 343644861424 in words is "three hundred forty-three billion, six hundred forty-four million, eight hundred sixty-one thousand, four hundred twenty-four".