40244207 has 2 divisors, whose sum is σ = 40244208. Its totient is φ = 40244206.

The previous prime is 40244189. The next prime is 40244209. The reversal of 40244207 is 70244204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40244207 - 2¹⁰ = 40243183 is a prime.

Together with 40244209, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40244209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20122103 + 20122104.

It is an arithmetic number, because the mean of its divisors is an integer number (20122104).

Almost surely, 2^40244207 is an apocalyptic number.

40244207 is a deficient number, since it is larger than the sum of its proper divisors (1).

40244207 is an equidigital number, since it uses as much as digits as its factorization.

40244207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 40244207 is about 6343.8322014379. The cubic root of 40244207 is about 342.6897579196.

The spelling of 40244207 in words is "forty million, two hundred forty-four thousand, two hundred seven".