44916881 has 2 divisors, whose sum is σ = 44916882. Its totient is φ = 44916880.

The previous prime is 44916869. The next prime is 44916889. The reversal of 44916881 is 18861944.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41075281 + 3841600 = 6409^2 + 1960^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44916881 is a prime.

It is a super-2 number, since 2×44916881² = 4035052397536322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44916889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22458440 + 22458441.

It is an arithmetic number, because the mean of its divisors is an integer number (22458441).

Almost surely, 2^44916881 is an apocalyptic number.

It is an amenable number.

44916881 is a deficient number, since it is larger than the sum of its proper divisors (1).

44916881 is an equidigital number, since it uses as much as digits as its factorization.

44916881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 41.

The square root of 44916881 is about 6702.0057445514. The cubic root of 44916881 is about 355.4701988717.

The spelling of 44916881 in words is "forty-four million, nine hundred sixteen thousand, eight hundred eighty-one".