232055440 has 60 divisors (see below), whose sum is σ = 573189876. Its totient is φ = 87353344.

The previous prime is 232055413. The next prime is 232055443. The reversal of 232055440 is 44550232.

It can be written as a sum of positive squares in 6 ways, for example, as 4528384 + 227527056 = 2128^2 + 15084^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232055443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18102 + ... + 28138.

Almost surely, 2^232055440 is an apocalyptic number.

232055440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232055440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286594938).

232055440 is an abundant number, since it is smaller than the sum of its proper divisors (341134436).

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

232055440 is a wasteful number, since it uses less digits than its factorization.

232055440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10084 (or 10061 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 232055440 is about 15233.3660101765. The cubic root of 232055440 is about 614.5123064242.

The spelling of 232055440 in words is "two hundred thirty-two million, fifty-five thousand, four hundred forty".