40210207 has 2 divisors, whose sum is σ = 40210208. Its totient is φ = 40210206.

The previous prime is 40210169. The next prime is 40210223. The reversal of 40210207 is 70201204.

It is an a-pointer prime, because the next prime (40210223) can be obtained adding 40210207 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40210207 - 2¹⁵ = 40177439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40210237) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20105103 + 20105104.

It is an arithmetic number, because the mean of its divisors is an integer number (20105104).

Almost surely, 2^40210207 is an apocalyptic number.

40210207 is a deficient number, since it is larger than the sum of its proper divisors (1).

40210207 is an equidigital number, since it uses as much as digits as its factorization.

40210207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 40210207 is about 6341.1518669718. The cubic root of 40210207 is about 342.5932244854.

It can be divided in two parts, 402 and 10207, that added together give a square (10609 = 103²).

The spelling of 40210207 in words is "forty million, two hundred ten thousand, two hundred seven".