232068640 has 24 divisors (see below), whose sum is σ = 548262540. Its totient is φ = 92827392.

The previous prime is 232068631. The next prime is 232068659. The reversal of 232068640 is 46860232.

It can be written as a sum of positive squares in 2 ways, for example, as 216796176 + 15272464 = 14724^2 + 3908^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 725055 + ... + 725374.

Almost surely, 2^232068640 is an apocalyptic number.

232068640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232068640 is an abundant number, since it is smaller than the sum of its proper divisors (316193900).

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

232068640 is a wasteful number, since it uses less digits than its factorization.

232068640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450444 (or 1450436 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 232068640 is about 15233.7992634799. The cubic root of 232068640 is about 614.5239579627.

The spelling of 232068640 in words is "two hundred thirty-two million, sixty-eight thousand, six hundred forty".