40660007 has 2 divisors, whose sum is σ = 40660008. Its totient is φ = 40660006.

The previous prime is 40659979. The next prime is 40660031. The reversal of 40660007 is 70006604.

40660007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40660007 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40660097) 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, 20330003 + 20330004.

It is an arithmetic number, because the mean of its divisors is an integer number (20330004).

Almost surely, 2^40660007 is an apocalyptic number.

40660007 is a deficient number, since it is larger than the sum of its proper divisors (1).

40660007 is an equidigital number, since it uses as much as digits as its factorization.

40660007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 40660007 is about 6376.5199756607. The cubic root of 40660007 is about 343.8659310572.

The spelling of 40660007 in words is "forty million, six hundred sixty thousand, seven".