243335534340 has 48 divisors (see below), whose sum is σ = 681431829120. Its totient is φ = 64880682240.

The previous prime is 243335534311. The next prime is 243335534383. The reversal of 243335534340 is 43435533342.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177801 + ... + 719919.

It is an arithmetic number, because the mean of its divisors is an integer number (14196496440).

Almost surely, 2^243335534340 is an apocalyptic number.

243335534340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243335534340 is an abundant number, since it is smaller than the sum of its proper divisors (438096294780).

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

243335534340 is a wasteful number, since it uses less digits than its factorization.

243335534340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549612 (or 549610 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 39.

The spelling of 243335534340 in words is "two hundred forty-three billion, three hundred thirty-five million, five hundred thirty-four thousand, three hundred forty".