440220303430 has 16 divisors (see below), whose sum is σ = 804223361520. Its totient is φ = 173459940192.

The previous prime is 440220303421. The next prime is 440220303437. The reversal of 440220303430 is 34303022044.

It is a junction number, because it is equal to n+sod(n) for n = 440220303395 and 440220303404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440220303437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328521945 + ... + 328523284.

It is an arithmetic number, because the mean of its divisors is an integer number (50263960095).

Almost surely, 2^440220303430 is an apocalyptic number.

440220303430 is a deficient number, since it is larger than the sum of its proper divisors (364003058090).

440220303430 is a wasteful number, since it uses less digits than its factorization.

440220303430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657045303.

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 440220303430 its reverse (34303022044), we get a palindrome (474523325474).

The spelling of 440220303430 in words is "four hundred forty billion, two hundred twenty million, three hundred three thousand, four hundred thirty".