44663400212 has 12 divisors (see below), whose sum is σ = 82758653460. Its totient is φ = 21018070656.

The previous prime is 44663400211. The next prime is 44663400227. The reversal of 44663400212 is 21200436644.

It can be written as a sum of positive squares in 2 ways, for example, as 20596842256 + 24066557956 = 143516^2 + 155134^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44663400211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328407287 + ... + 328407422.

It is an arithmetic number, because the mean of its divisors is an integer number (6896554455).

Almost surely, 2^44663400212 is an apocalyptic number.

It is an amenable number.

44663400212 is a deficient number, since it is larger than the sum of its proper divisors (38095253248).

44663400212 is a wasteful number, since it uses less digits than its factorization.

44663400212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656814730 (or 656814728 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 44663400212 its reverse (21200436644), we get a palindrome (65863836856).

The spelling of 44663400212 in words is "forty-four billion, six hundred sixty-three million, four hundred thousand, two hundred twelve".