440312230 has 32 divisors (see below), whose sum is σ = 828232128. Its totient is φ = 168220800.

The previous prime is 440312219. The next prime is 440312231. The reversal of 440312230 is 32213044.

It is a junction number, because it is equal to n+sod(n) for n = 440312198 and 440312207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440312231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270820 + ... + 272440.

It is an arithmetic number, because the mean of its divisors is an integer number (25882254).

Almost surely, 2^440312230 is an apocalyptic number.

440312230 is a deficient number, since it is larger than the sum of its proper divisors (387919898).

440312230 is a wasteful number, since it uses less digits than its factorization.

440312230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2832.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 440312230 is about 20983.6181341541. The cubic root of 440312230 is about 760.7703580755.

Adding to 440312230 its reverse (32213044), we get a palindrome (472525274).

The spelling of 440312230 in words is "four hundred forty million, three hundred twelve thousand, two hundred thirty".