440242442212 has 24 divisors (see below), whose sum is σ = 772708386296. Its totient is φ = 219468953088.

The previous prime is 440242442183. The next prime is 440242442239. The reversal of 440242442212 is 212244242044.

It can be written as a sum of positive squares in 4 ways, for example, as 103443283876 + 336799158336 = 321626^2 + 580344^2 .

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, 5476018 + ... + 5555830.

Almost surely, 2^440242442212 is an apocalyptic number.

It is an amenable number.

440242442212 is a deficient number, since it is larger than the sum of its proper divisors (332465944084).

440242442212 is a wasteful number, since it uses less digits than its factorization.

440242442212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83887 (or 83885 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 31.

Adding to 440242442212 its reverse (212244242044), we get a palindrome (652486684256).

The spelling of 440242442212 in words is "four hundred forty billion, two hundred forty-two million, four hundred forty-two thousand, two hundred twelve".