232665240 has 64 divisors (see below), whose sum is σ = 728352000. Its totient is φ = 59345792.

The previous prime is 232665227. The next prime is 232665259. The reversal of 232665240 is 42566232.

232665240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×232665240² = 108266227808515200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 232665198 and 232665207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39390 + ... + 44909.

It is an arithmetic number, because the mean of its divisors is an integer number (11380500).

Almost surely, 2^232665240 is an apocalyptic number.

232665240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232665240 is an abundant number, since it is smaller than the sum of its proper divisors (495686760).

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

232665240 is a wasteful number, since it uses less digits than its factorization.

232665240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84336 (or 84332 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 232665240 is about 15253.3681526409. The cubic root of 232665240 is about 615.0501115886.

The spelling of 232665240 in words is "two hundred thirty-two million, six hundred sixty-five thousand, two hundred forty".