243242611302736 has 120 divisors (see below), whose sum is σ = 504034864180224. Its totient is φ = 113689545788160.

The previous prime is 243242611302727. The next prime is 243242611302773. The reversal of 243242611302736 is 637203116242342.

It is a super-2 number, since 2×243242611302736² (a number of 30 digits) 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 (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164057041 + ... + 165533071.

Almost surely, 2^{243242611302736} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243242611302736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252017432090112).

243242611302736 is an abundant number, since it is smaller than the sum of its proper divisors (260792252877488).

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

243242611302736 is a wasteful number, since it uses less digits than its factorization.

243242611302736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476457 (or 1476432 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 46.

The spelling of 243242611302736 in words is "two hundred forty-three trillion, two hundred forty-two billion, six hundred eleven million, three hundred two thousand, seven hundred thirty-six".