440223043240 has 32 divisors (see below), whose sum is σ = 990714957480. Its totient is φ = 176051331072.

The previous prime is 440223043223. The next prime is 440223043241. The reversal of 440223043240 is 42340322044.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 120955101796 + 319267941444 = 347786^2 + 565038^2 .

It is a junction number, because it is equal to n+sod(n) for n = 440223043199 and 440223043208.

It is not an unprimeable number, because it can be changed into a prime (440223043241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 995337 + ... + 1367896.

Almost surely, 2^440223043240 is an apocalyptic number.

440223043240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

440223043240 is an abundant number, since it is smaller than the sum of its proper divisors (550491914240).

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

440223043240 is a wasteful number, since it uses less digits than its factorization.

440223043240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367901 (or 2367897 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 440223043240 its reverse (42340322044), we get a palindrome (482563365284).

The spelling of 440223043240 in words is "four hundred forty billion, two hundred twenty-three million, forty-three thousand, two hundred forty".