440220530 has 32 divisors (see below), whose sum is σ = 808662528. Its totient is φ = 172497600.

The previous prime is 440220527. The next prime is 440220563. The reversal of 440220530 is 35022044.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163979 + ... + 166641.

It is an arithmetic number, because the mean of its divisors is an integer number (25270704).

Almost surely, 2^440220530 is an apocalyptic number.

440220530 is a deficient number, since it is larger than the sum of its proper divisors (368441998).

440220530 is a wasteful number, since it uses less digits than its factorization.

440220530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3002.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 440220530 is about 20981.4329825205. The cubic root of 440220530 is about 760.7175413994.

Adding to 440220530 its reverse (35022044), we get a palindrome (475242574).

The spelling of 440220530 in words is "four hundred forty million, two hundred twenty thousand, five hundred thirty".