440220330 has 96 divisors (see below), whose sum is σ = 1275326208. Its totient is φ = 104438400.

The previous prime is 440220323. The next prime is 440220343. The reversal of 440220330 is 33022044.

440220330 is a `hidden beast` number, since 440 + 220 + 3 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41800 + ... + 51260.

It is an arithmetic number, because the mean of its divisors is an integer number (13284648).

Almost surely, 2^440220330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440220330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (637663104).

440220330 is an abundant number, since it is smaller than the sum of its proper divisors (835105878).

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

440220330 is a wasteful number, since it uses less digits than its factorization.

440220330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9532 (or 9529 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 440220330 is about 20981.4282164013. The cubic root of 440220330 is about 760.7174261969.

Adding to 440220330 its reverse (33022044), we get a palindrome (473242374).

The spelling of 440220330 in words is "four hundred forty million, two hundred twenty thousand, three hundred thirty".