343330040 has 32 divisors (see below), whose sum is σ = 778401360. Its totient is φ = 136281600.

The previous prime is 343329913. The next prime is 343330061. The reversal of 343330040 is 40033343.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 343329994 and 343330021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27521 + ... + 38000.

Almost surely, 2^343330040 is an apocalyptic number.

It is an amenable number.

343330040 is an abundant number, since it is smaller than the sum of its proper divisors (435071320).

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

343330040 is a wasteful number, since it uses less digits than its factorization.

343330040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65663 (or 65659 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

The square root of 343330040 is about 18529.1672775654. The cubic root of 343330040 is about 700.2244450340.

Adding to 343330040 its reverse (40033343), we get a palindrome (383363383).

The spelling of 343330040 in words is "three hundred forty-three million, three hundred thirty thousand, forty".