40044307 has 2 divisors, whose sum is σ = 40044308. Its totient is φ = 40044306.

The previous prime is 40044293. The next prime is 40044313. The reversal of 40044307 is 70344004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40044307 - 2¹⁵ = 40011539 is a prime.

It is a super-2 number, since 2×40044307² = 3207093046220498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40044337) 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, 20022153 + 20022154.

It is an arithmetic number, because the mean of its divisors is an integer number (20022154).

Almost surely, 2^40044307 is an apocalyptic number.

40044307 is a deficient number, since it is larger than the sum of its proper divisors (1).

40044307 is an equidigital number, since it uses as much as digits as its factorization.

40044307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 40044307 is about 6328.0571267965. The cubic root of 40044307 is about 342.1214159146.

The spelling of 40044307 in words is "forty million, forty-four thousand, three hundred seven".