44066881 has 2 divisors, whose sum is σ = 44066882. Its totient is φ = 44066880.

The previous prime is 44066879. The next prime is 44066929. The reversal of 44066881 is 18866044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41990400 + 2076481 = 6480^2 + 1441^2 .

It is a cyclic number.

It is not a de Polignac number, because 44066881 - 2¹ = 44066879 is a prime.

It is a super-2 number, since 2×44066881² = 3883780002136322, which contains 22 as substring.

Together with 44066879, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 44066881.

It is not a weakly prime, because it can be changed into another prime (44066821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22033440 + 22033441.

It is an arithmetic number, because the mean of its divisors is an integer number (22033441).

Almost surely, 2^44066881 is an apocalyptic number.

It is an amenable number.

44066881 is a deficient number, since it is larger than the sum of its proper divisors (1).

44066881 is an equidigital number, since it uses as much as digits as its factorization.

44066881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 44066881 is about 6638.2890114848. The cubic root of 44066881 is about 353.2136166352.

The spelling of 44066881 in words is "forty-four million, sixty-six thousand, eight hundred eighty-one".