40207007 has 2 divisors, whose sum is σ = 40207008. Its totient is φ = 40207006.

The previous prime is 40206997. The next prime is 40207033. The reversal of 40207007 is 70070204.

40207007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40207007 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40207007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40207507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20103503 + 20103504.

It is an arithmetic number, because the mean of its divisors is an integer number (20103504).

Almost surely, 2^40207007 is an apocalyptic number.

40207007 is a deficient number, since it is larger than the sum of its proper divisors (1).

40207007 is an equidigital number, since it uses as much as digits as its factorization.

40207007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 392, while the sum is 20.

The square root of 40207007 is about 6340.8995418631. The cubic root of 40207007 is about 342.5841361844.

The spelling of 40207007 in words is "forty million, two hundred seven thousand, seven".