232966440 has 192 divisors, whose sum is σ = 871603200. Its totient is φ = 52862976.

The previous prime is 232966421. The next prime is 232966441. The reversal of 232966440 is 44669232.

232966440 is a `hidden beast` number, since 2 + 3 + 2 + 9 + 6 + 644 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 232966395 and 232966404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232966441) 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 47 ways as a sum of consecutive naturals, for example, 486121 + ... + 486599.

It is an arithmetic number, because the mean of its divisors is an integer number (4539600).

Almost surely, 2^232966440 is an apocalyptic number.

232966440 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 232966440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435801600).

232966440 is an abundant number, since it is smaller than the sum of its proper divisors (638636760).

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

232966440 is a wasteful number, since it uses less digits than its factorization.

232966440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 232966440 is about 15263.2381885365. The cubic root of 232966440 is about 615.3154043477.

The spelling of 232966440 in words is "two hundred thirty-two million, nine hundred sixty-six thousand, four hundred forty".