243732480 has 104 divisors (see below), whose sum is σ = 780045312. Its totient is φ = 64978944.

The previous prime is 243732457. The next prime is 243732491. The reversal of 243732480 is 84237342.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59457 + ... + 63423.

Almost surely, 2^243732480 is an apocalyptic number.

243732480 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 243732480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390022656).

243732480 is an abundant number, since it is smaller than the sum of its proper divisors (536312832).

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

243732480 is an equidigital number, since it uses as much as digits as its factorization.

243732480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3999 (or 3977 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 243732480 is about 15611.9338968624. The cubic root of 243732480 is about 624.6515220037.

The spelling of 243732480 in words is "two hundred forty-three million, seven hundred thirty-two thousand, four hundred eighty".