343243204440 has 64 divisors (see below), whose sum is σ = 1035120936960. Its totient is φ = 91052292480.

The previous prime is 343243204439. The next prime is 343243204453. The reversal of 343243204440 is 44402342343.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7464934 + ... + 7510773.

It is an arithmetic number, because the mean of its divisors is an integer number (16173764640).

Almost surely, 2^343243204440 is an apocalyptic number.

343243204440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

343243204440 is an abundant number, since it is smaller than the sum of its proper divisors (691877732520).

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

343243204440 is a wasteful number, since it uses less digits than its factorization.

343243204440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14975912 (or 14975908 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 33.

Adding to 343243204440 its reverse (44402342343), we get a palindrome (387645546783).

The spelling of 343243204440 in words is "three hundred forty-three billion, two hundred forty-three million, two hundred four thousand, four hundred forty".