243134040032 has 24 divisors (see below), whose sum is σ = 515490922296. Its totient is φ = 112215710592.

The previous prime is 243134040031. The next prime is 243134040041. The reversal of 243134040032 is 230040431342.

It is a super-2 number, since 2×243134040032² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 243134039983 and 243134040010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243134040031) 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, 292227998 + ... + 292228829.

It is an arithmetic number, because the mean of its divisors is an integer number (21478788429).

Almost surely, 2^243134040032 is an apocalyptic number.

It is an amenable number.

243134040032 is an abundant number, since it is smaller than the sum of its proper divisors (272356882264).

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

243134040032 is a wasteful number, since it uses less digits than its factorization.

243134040032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584456850 (or 584456842 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 243134040032 its reverse (230040431342), we get a palindrome (473174471374).

The spelling of 243134040032 in words is "two hundred forty-three billion, one hundred thirty-four million, forty thousand, thirty-two".