440422530 has 16 divisors (see below), whose sum is σ = 1057014144. Its totient is φ = 117446000.

The previous prime is 440422529. The next prime is 440422559. The reversal of 440422530 is 35224044.

It is a self number, because there is not a number n which added to its sum of digits gives 440422530.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7340346 + ... + 7340405.

It is an arithmetic number, because the mean of its divisors is an integer number (66063384).

Almost surely, 2^440422530 is an apocalyptic number.

440422530 is an abundant number, since it is smaller than the sum of its proper divisors (616591614).

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

440422530 is a wasteful number, since it uses less digits than its factorization.

440422530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14680761.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 440422530 is about 20986.2462103159. The cubic root of 440422530 is about 760.8338781255.

Adding to 440422530 its reverse (35224044), we get a palindrome (475646574).

The spelling of 440422530 in words is "four hundred forty million, four hundred twenty-two thousand, five hundred thirty".