44221045616452 has 12 divisors (see below), whose sum is σ = 77387136254316. Its totient is φ = 22110435258080.

The previous prime is 44221045616401. The next prime is 44221045616603. The reversal of 44221045616452 is 25461654012244.

It can be written as a sum of positive squares in 2 ways, for example, as 11122932031236 + 33098113585216 = 3335106^2 + 5753096^2 .

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, 20744443 + ... + 22776610.

It is an arithmetic number, because the mean of its divisors is an integer number (6448928021193).

Almost surely, 2^{44221045616452} is an apocalyptic number.

It is an amenable number.

44221045616452 is a deficient number, since it is larger than the sum of its proper divisors (33166090637864).

44221045616452 is a wasteful number, since it uses less digits than its factorization.

44221045616452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43775078 (or 43775076 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 46.

Adding to 44221045616452 its reverse (25461654012244), we get a palindrome (69682699628696).

The spelling of 44221045616452 in words is "forty-four trillion, two hundred twenty-one billion, forty-five million, six hundred sixteen thousand, four hundred fifty-two".