243442632 has 16 divisors (see below), whose sum is σ = 608606640. Its totient is φ = 81147536.

The previous prime is 243442613. The next prime is 243442637. The reversal of 243442632 is 236244342.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 243442632.

It is not an unprimeable number, because it can be changed into a prime (243442637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5071698 + ... + 5071745.

It is an arithmetic number, because the mean of its divisors is an integer number (38037915).

Almost surely, 2^243442632 is an apocalyptic number.

It is an amenable number.

243442632 is an abundant number, since it is smaller than the sum of its proper divisors (365164008).

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

243442632 is a wasteful number, since it uses less digits than its factorization.

243442632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10143452 (or 10143448 counting only the distinct ones).

The product of its digits is 27648, while the sum is 30.

The square root of 243442632 is about 15602.6482367578. The cubic root of 243442632 is about 624.4038107810.

Adding to 243442632 its reverse (236244342), we get a palindrome (479686974).

The spelling of 243442632 in words is "two hundred forty-three million, four hundred forty-two thousand, six hundred thirty-two".