243051250340 has 12 divisors (see below), whose sum is σ = 510407625756. Its totient is φ = 97220500128.

The previous prime is 243051250339. The next prime is 243051250361. The reversal of 243051250340 is 43052150342.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 75928904704 + 167122345636 = 275552^2 + 408806^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6076281239 + ... + 6076281278.

It is an arithmetic number, because the mean of its divisors is an integer number (42533968813).

Almost surely, 2^243051250340 is an apocalyptic number.

243051250340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243051250340 is an abundant number, since it is smaller than the sum of its proper divisors (267356375416).

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

243051250340 is a wasteful number, since it uses less digits than its factorization.

243051250340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12152562526 (or 12152562524 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The spelling of 243051250340 in words is "two hundred forty-three billion, fifty-one million, two hundred fifty thousand, three hundred forty".