440412232 has 16 divisors (see below), whose sum is σ = 889294140. Its totient is φ = 203267136.

The previous prime is 440412227. The next prime is 440412311. The reversal of 440412232 is 232214044.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 440412196 + 36 = 20986^2 + 6^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2117263 + ... + 2117470.

Almost surely, 2^440412232 is an apocalyptic number.

It is an amenable number.

440412232 is an abundant number, since it is smaller than the sum of its proper divisors (448881908).

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

440412232 is a wasteful number, since it uses less digits than its factorization.

440412232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4234752 (or 4234748 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 440412232 is about 20986.0008577146. Note that the first 3 decimals coincide. The cubic root of 440412232 is about 760.8279481168.

Adding to 440412232 its reverse (232214044), we get a palindrome (672626276).

The spelling of 440412232 in words is "four hundred forty million, four hundred twelve thousand, two hundred thirty-two".