232305240 has 64 divisors (see below), whose sum is σ = 715764960. Its totient is φ = 60272640.

The previous prime is 232305223. The next prime is 232305247. The reversal of 232305240 is 42503232.

232305240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232305247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21721 + ... + 30600.

Almost surely, 2^232305240 is an apocalyptic number.

232305240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232305240 is an abundant number, since it is smaller than the sum of its proper divisors (483459720).

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

232305240 is a wasteful number, since it uses less digits than its factorization.

232305240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52372 (or 52368 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 232305240 is about 15241.5629119851. The cubic root of 232305240 is about 614.7327280700.

Adding to 232305240 its reverse (42503232), we get a palindrome (274808472).

The spelling of 232305240 in words is "two hundred thirty-two million, three hundred five thousand, two hundred forty".