440224330 has 48 divisors (see below), whose sum is σ = 992696040. Its totient is φ = 139321728.

The previous prime is 440224327. The next prime is 440224361. The reversal of 440224330 is 33422044.

It can be written as a sum of positive squares in 4 ways, for example, as 293402641 + 146821689 = 17129^2 + 12117^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28185 + ... + 40924.

Almost surely, 2^440224330 is an apocalyptic number.

440224330 is an abundant number, since it is smaller than the sum of its proper divisors (552471710).

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

440224330 is a wasteful number, since it uses less digits than its factorization.

440224330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69143 (or 69136 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 440224330 is about 20981.5235385803. The cubic root of 440224330 is about 760.7197302405.

Adding to 440224330 its reverse (33422044), we get a palindrome (473646374).

The spelling of 440224330 in words is "four hundred forty million, two hundred twenty-four thousand, three hundred thirty".