44107681 has 2 divisors, whose sum is σ = 44107682. Its totient is φ = 44107680.

The previous prime is 44107669. The next prime is 44107691. The reversal of 44107681 is 18670144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34398225 + 9709456 = 5865^2 + 3116^2 .

It is a cyclic number.

It is not a de Polignac number, because 44107681 - 2⁵ = 44107649 is a prime.

It is a super-4 number, since 4×44107681⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (44107631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22053840 + 22053841.

It is an arithmetic number, because the mean of its divisors is an integer number (22053841).

Almost surely, 2^44107681 is an apocalyptic number.

It is an amenable number.

44107681 is a deficient number, since it is larger than the sum of its proper divisors (1).

44107681 is an equidigital number, since it uses as much as digits as its factorization.

44107681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 44107681 is about 6641.3613815241. The cubic root of 44107681 is about 353.3225924309.

The spelling of 44107681 in words is "forty-four million, one hundred seven thousand, six hundred eighty-one".