343342440 has 96 divisors (see below), whose sum is σ = 1275281280. Its totient is φ = 78477696.

The previous prime is 343342429. The next prime is 343342463. The reversal of 343342440 is 44243343.

It is a super-2 number, since 2×343342440² = 235768062210307200, which contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 65604 + ... + 70643.

It is an arithmetic number, because the mean of its divisors is an integer number (13284180).

Almost surely, 2^343342440 is an apocalyptic number.

343342440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

343342440 is an abundant number, since it is smaller than the sum of its proper divisors (931938840).

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

343342440 is a wasteful number, since it uses less digits than its factorization.

343342440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136271 (or 136264 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

The square root of 343342440 is about 18529.5018821338. The cubic root of 343342440 is about 700.2328748999.

Adding to 343342440 its reverse (44243343), we get a palindrome (387585783).

The spelling of 343342440 in words is "three hundred forty-three million, three hundred forty-two thousand, four hundred forty".