232857040 has 160 divisors (see below), whose sum is σ = 615960576. Its totient is φ = 81285120.

The previous prime is 232857017. The next prime is 232857049. The reversal of 232857040 is 40758232.

232857040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 232856993 and 232857011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232857049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1833457 + ... + 1833583.

Almost surely, 2^232857040 is an apocalyptic number.

232857040 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 232857040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307980288).

232857040 is an abundant number, since it is smaller than the sum of its proper divisors (383103536).

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

232857040 is a wasteful number, since it uses less digits than its factorization.

232857040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 232857040 is about 15259.6539934561. The cubic root of 232857040 is about 615.2190728117.

The spelling of 232857040 in words is "two hundred thirty-two million, eight hundred fifty-seven thousand, forty".