343921324550 has 24 divisors (see below), whose sum is σ = 677322704376. Its totient is φ = 129476263040.

The previous prime is 343921324519. The next prime is 343921324559. The reversal of 343921324550 is 55423129343.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 343921324498 and 343921324507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343921324559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202305812 + ... + 202307511.

It is an arithmetic number, because the mean of its divisors is an integer number (28221779349).

Almost surely, 2^343921324550 is an apocalyptic number.

343921324550 is a deficient number, since it is larger than the sum of its proper divisors (333401379826).

343921324550 is a wasteful number, since it uses less digits than its factorization.

343921324550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404613352 (or 404613347 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 343921324550 in words is "three hundred forty-three billion, nine hundred twenty-one million, three hundred twenty-four thousand, five hundred fifty".