440530232 has 8 divisors (see below), whose sum is σ = 825994200. Its totient is φ = 220265112.

The previous prime is 440530229. The next prime is 440530249. The reversal of 440530232 is 232035044.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 440530198 and 440530207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27533132 + ... + 27533147.

It is an arithmetic number, because the mean of its divisors is an integer number (103249275).

Almost surely, 2^440530232 is an apocalyptic number.

It is an amenable number.

440530232 is a deficient number, since it is larger than the sum of its proper divisors (385463968).

440530232 is a wasteful number, since it uses less digits than its factorization.

440530232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55066285 (or 55066281 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 440530232 is about 20988.8120673849. The cubic root of 440530232 is about 760.8958917951.

Adding to 440530232 its reverse (232035044), we get a palindrome (672565276).

The spelling of 440530232 in words is "four hundred forty million, five hundred thirty thousand, two hundred thirty-two".