243668480 has 160 divisors (see below), whose sum is σ = 676162080. Its totient is φ = 83230720.

The previous prime is 243668479. The next prime is 243668501. The reversal of 243668480 is 84866342.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

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, 478466 + ... + 478974.

It is an arithmetic number, because the mean of its divisors is an integer number (4226013).

Almost surely, 2^243668480 is an apocalyptic number.

243668480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243668480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338081040).

243668480 is an abundant number, since it is smaller than the sum of its proper divisors (432493600).

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

243668480 is a wasteful number, since it uses less digits than its factorization.

243668480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 41.

The square root of 243668480 is about 15609.8840482561. The cubic root of 243668480 is about 624.5968429323.

The spelling of 243668480 in words is "two hundred forty-three million, six hundred sixty-eight thousand, four hundred eighty".