44009401 has 2 divisors, whose sum is σ = 44009402. Its totient is φ = 44009400.

The previous prime is 44009393. The next prime is 44009411. The reversal of 44009401 is 10490044.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43243776 + 765625 = 6576^2 + 875^2 .

It is a cyclic number.

It is not a de Polignac number, because 44009401 - 2³ = 44009393 is a prime.

It is not a weakly prime, because it can be changed into another prime (44009411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22004700 + 22004701.

It is an arithmetic number, because the mean of its divisors is an integer number (22004701).

Almost surely, 2^44009401 is an apocalyptic number.

It is an amenable number.

44009401 is a deficient number, since it is larger than the sum of its proper divisors (1).

44009401 is an equidigital number, since it uses as much as digits as its factorization.

44009401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 44009401 is about 6633.9581699013. The cubic root of 44009401 is about 353.0599747760.

Adding to 44009401 its reverse (10490044), we get a palindrome (54499445).

The spelling of 44009401 in words is "forty-four million, nine thousand, four hundred one".