232440534 has 12 divisors (see below), whose sum is σ = 503621196. Its totient is φ = 77480172.

The previous prime is 232440529. The next prime is 232440569. The reversal of 232440534 is 435044232.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 232440498 and 232440507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6456664 + ... + 6456699.

It is an arithmetic number, because the mean of its divisors is an integer number (41968433).

Almost surely, 2^232440534 is an apocalyptic number.

232440534 is an abundant number, since it is smaller than the sum of its proper divisors (271180662).

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

232440534 is a wasteful number, since it uses less digits than its factorization.

232440534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12913371 (or 12913368 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 232440534 is about 15246.0005903188. Note that the first 3 decimals coincide. The cubic root of 232440534 is about 614.8520445191.

Adding to 232440534 its reverse (435044232), we get a palindrome (667484766).

The spelling of 232440534 in words is "two hundred thirty-two million, four hundred forty thousand, five hundred thirty-four".