44406161 has 2 divisors, whose sum is σ = 44406162. Its totient is φ = 44406160.

The previous prime is 44406151. The next prime is 44406181. The reversal of 44406161 is 16160444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43151761 + 1254400 = 6569^2 + 1120^2 .

It is a cyclic number.

It is not a de Polignac number, because 44406161 - 2¹⁴ = 44389777 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44406161.

It is not a weakly prime, because it can be changed into another prime (44406151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22203080 + 22203081.

It is an arithmetic number, because the mean of its divisors is an integer number (22203081).

Almost surely, 2^44406161 is an apocalyptic number.

It is an amenable number.

44406161 is a deficient number, since it is larger than the sum of its proper divisors (1).

44406161 is an equidigital number, since it uses as much as digits as its factorization.

44406161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 44406161 is about 6663.7947897576. The cubic root of 44406161 is about 354.1177882688.

It can be divided in two parts, 4440 and 6161, that added together give a palindrome (10601).

The spelling of 44406161 in words is "forty-four million, four hundred six thousand, one hundred sixty-one".