243621436260 has 24 divisors (see below), whose sum is σ = 682140021696. Its totient is φ = 64965716320.

The previous prime is 243621436259. The next prime is 243621436273. The reversal of 243621436260 is 62634126342.

243621436260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2030178576 + ... + 2030178695.

It is an arithmetic number, because the mean of its divisors is an integer number (28422500904).

Almost surely, 2^243621436260 is an apocalyptic number.

243621436260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243621436260 is an abundant number, since it is smaller than the sum of its proper divisors (438518585436).

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

243621436260 is a wasteful number, since it uses less digits than its factorization.

243621436260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4060357283 (or 4060357281 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 39.

The spelling of 243621436260 in words is "two hundred forty-three billion, six hundred twenty-one million, four hundred thirty-six thousand, two hundred sixty".