243240404430 has 32 divisors (see below), whose sum is σ = 585106790400. Its totient is φ = 64716350112.

The previous prime is 243240404417. The next prime is 243240404443. The reversal of 243240404430 is 34404042342.

It is an interprime number because it is at equal distance from previous prime (243240404417) and next prime (243240404443).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 9221470 + ... + 9247809.

It is an arithmetic number, because the mean of its divisors is an integer number (18284587200).

Almost surely, 2^243240404430 is an apocalyptic number.

243240404430 is an abundant number, since it is smaller than the sum of its proper divisors (341866385970).

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

243240404430 is a wasteful number, since it uses less digits than its factorization.

243240404430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18469728.

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 243240404430 its reverse (34404042342), we get a palindrome (277644446772).

The spelling of 243240404430 in words is "two hundred forty-three billion, two hundred forty million, four hundred four thousand, four hundred thirty".