440231223030 has 64 divisors (see below), whose sum is σ = 1113851692800. Its totient is φ = 111047448960.

The previous prime is 440231223001. The next prime is 440231223071. The reversal of 440231223030 is 30322132044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210361 + ... + 961620.

It is an arithmetic number, because the mean of its divisors is an integer number (17403932700).

Almost surely, 2^440231223030 is an apocalyptic number.

440231223030 is an abundant number, since it is smaller than the sum of its proper divisors (673620469770).

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

440231223030 is a wasteful number, since it uses less digits than its factorization.

440231223030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172669.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 440231223030 its reverse (30322132044), we get a palindrome (470553355074).

The spelling of 440231223030 in words is "four hundred forty billion, two hundred thirty-one million, two hundred twenty-three thousand, thirty".