13433040234 has 12 divisors (see below), whose sum is σ = 29104920546. Its totient is φ = 4477680072.

The previous prime is 13433040233. The next prime is 13433040251. The reversal of 13433040234 is 43204033431.

It can be written as a sum of positive squares in only one way, i.e., 6757333209 + 6675707025 = 82203^2 + 81705^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13433040198 and 13433040207.

It is not an unprimeable number, because it can be changed into a prime (13433040233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 373139989 + ... + 373140024.

Almost surely, 2^13433040234 is an apocalyptic number.

13433040234 is an abundant number, since it is smaller than the sum of its proper divisors (15671880312).

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

13433040234 is a wasteful number, since it uses less digits than its factorization.

13433040234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746280021 (or 746280018 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 13433040234 its reverse (43204033431), we get a palindrome (56637073665).

The spelling of 13433040234 in words is "thirteen billion, four hundred thirty-three million, forty thousand, two hundred thirty-four".