243430433314040 has 128 divisors (see below), whose sum is σ = 665433300902400. Its totient is φ = 78286270348800.

The previous prime is 243430433314007. The next prime is 243430433314091. The reversal of 243430433314040 is 40413334034342.

It is a happy number.

It is a super-2 number, since 2×243430433314040² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 243430433313985 and 243430433314003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225985454 + ... + 227060093.

It is an arithmetic number, because the mean of its divisors is an integer number (5198697663300).

Almost surely, 2^{243430433314040} is an apocalyptic number.

243430433314040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243430433314040 is an abundant number, since it is smaller than the sum of its proper divisors (422002867588360).

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

243430433314040 is a wasteful number, since it uses less digits than its factorization.

243430433314040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453045685 (or 453045681 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 38.

Adding to 243430433314040 its reverse (40413334034342), we get a palindrome (283843767348382).

The spelling of 243430433314040 in words is "two hundred forty-three trillion, four hundred thirty billion, four hundred thirty-three million, three hundred fourteen thousand, forty".