40444307 has 2 divisors, whose sum is σ = 40444308. Its totient is φ = 40444306.

The previous prime is 40444303. The next prime is 40444319. The reversal of 40444307 is 70344404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40444307 - 2² = 40444303 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40444301) 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, 20222153 + 20222154.

It is an arithmetic number, because the mean of its divisors is an integer number (20222154).

Almost surely, 2^40444307 is an apocalyptic number.

40444307 is a deficient number, since it is larger than the sum of its proper divisors (1).

40444307 is an equidigital number, since it uses as much as digits as its factorization.

40444307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 40444307 is about 6359.5838700343. The cubic root of 40444307 is about 343.2567868019.

The spelling of 40444307 in words is "forty million, four hundred forty-four thousand, three hundred seven".