440231304232 has 16 divisors (see below), whose sum is σ = 825916713300. Its totient is φ = 219986847360.

The previous prime is 440231304221. The next prime is 440231304259. The reversal of 440231304232 is 232403132044.

It can be written as a sum of positive squares in 2 ways, for example, as 368757420516 + 71473883716 = 607254^2 + 267346^2 .

It is a super-2 number, since 2×440231304232² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 440231304232.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16086069 + ... + 16113412.

Almost surely, 2^440231304232 is an apocalyptic number.

It is an amenable number.

440231304232 is a deficient number, since it is larger than the sum of its proper divisors (385685409068).

440231304232 is a wasteful number, since it uses less digits than its factorization.

440231304232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32201196 (or 32201192 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 440231304232 its reverse (232403132044), we get a palindrome (672634436276).

The spelling of 440231304232 in words is "four hundred forty billion, two hundred thirty-one million, three hundred four thousand, two hundred thirty-two".