44288641 has 2 divisors, whose sum is σ = 44288642. Its totient is φ = 44288640.

The previous prime is 44288633. The next prime is 44288669. The reversal of 44288641 is 14688244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36000000 + 8288641 = 6000^2 + 2879^2 .

It is a cyclic number.

It is not a de Polignac number, because 44288641 - 2³ = 44288633 is a prime.

It is a super-2 number, since 2×44288641² = 3922967443253762, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 44288641.

It is not a weakly prime, because it can be changed into another prime (44288341) 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, 22144320 + 22144321.

It is an arithmetic number, because the mean of its divisors is an integer number (22144321).

Almost surely, 2^44288641 is an apocalyptic number.

It is an amenable number.

44288641 is a deficient number, since it is larger than the sum of its proper divisors (1).

44288641 is an equidigital number, since it uses as much as digits as its factorization.

44288641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49152, while the sum is 37.

The square root of 44288641 is about 6654.9711494491. The cubic root of 44288641 is about 353.8051237834.

The spelling of 44288641 in words is "forty-four million, two hundred eighty-eight thousand, six hundred forty-one".