4431244040212 has 144 divisors (see below), whose sum is σ = 9103996661760. Its totient is φ = 1882343232000.

The previous prime is 4431244040149. The next prime is 4431244040239. The reversal of 4431244040212 is 2120404421344.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73055137 + ... + 73115767.

It is an arithmetic number, because the mean of its divisors is an integer number (63222199040).

Almost surely, 2^{4431244040212} is an apocalyptic number.

It is an amenable number.

4431244040212 is an abundant number, since it is smaller than the sum of its proper divisors (4672752621548).

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

4431244040212 is a wasteful number, since it uses less digits than its factorization.

4431244040212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60854 (or 60841 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 4431244040212 its reverse (2120404421344), we get a palindrome (6551648461556).

The spelling of 4431244040212 in words is "four trillion, four hundred thirty-one billion, two hundred forty-four million, forty thousand, two hundred twelve".