44164021853705 has 8 divisors (see below), whose sum is σ = 57073505164872. Its totient is φ = 32613431522688.

The previous prime is 44164021853683. The next prime is 44164021853813. The reversal of 44164021853705 is 50735812046144.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8602395144256 + 35561626709449 = 2932984^2 + 5963357^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44164021853705 - 2²⁸ = 44163753418249 is a prime.

It is a Duffinian number.

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, 339723244964 + ... + 339723245093.

It is an arithmetic number, because the mean of its divisors is an integer number (7134188145609).

Almost surely, 2^{44164021853705} is an apocalyptic number.

It is an amenable number.

44164021853705 is a deficient number, since it is larger than the sum of its proper divisors (12909483311167).

44164021853705 is a wasteful number, since it uses less digits than its factorization.

44164021853705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679446490075.

The product of its (nonzero) digits is 3225600, while the sum is 50.

Adding to 44164021853705 its reverse (50735812046144), we get a palindrome (94899833899849).

The spelling of 44164021853705 in words is "forty-four trillion, one hundred sixty-four billion, twenty-one million, eight hundred fifty-three thousand, seven hundred five".