44661212321 has 12 divisors (see below), whose sum is σ = 49208611632. Its totient is φ = 40199010000.

The previous prime is 44661212291. The next prime is 44661212347. The reversal of 44661212321 is 12321216644.

It is not a de Polignac number, because 44661212321 - 2¹⁸ = 44660950177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44661212521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86795 + ... + 311216.

It is an arithmetic number, because the mean of its divisors is an integer number (4100717636).

Almost surely, 2^44661212321 is an apocalyptic number.

It is an amenable number.

44661212321 is a deficient number, since it is larger than the sum of its proper divisors (4547399311).

44661212321 is a wasteful number, since it uses less digits than its factorization.

44661212321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398224 (or 398123 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

Adding to 44661212321 its reverse (12321216644), we get a palindrome (56982428965).

The spelling of 44661212321 in words is "forty-four billion, six hundred sixty-one million, two hundred twelve thousand, three hundred twenty-one".