400068107 has 2 divisors, whose sum is σ = 400068108. Its totient is φ = 400068106.

The previous prime is 400068103. The next prime is 400068121. The reversal of 400068107 is 701860004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 400068107 - 2² = 400068103 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (400068103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200034053 + 200034054.

It is an arithmetic number, because the mean of its divisors is an integer number (200034054).

Almost surely, 2^400068107 is an apocalyptic number.

400068107 is a deficient number, since it is larger than the sum of its proper divisors (1).

400068107 is an equidigital number, since it uses as much as digits as its factorization.

400068107 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 26.

The square root of 400068107 is about 20001.7026025286. The cubic root of 400068107 is about 736.8481154104.

The spelling of 400068107 in words is "four hundred million, sixty-eight thousand, one hundred seven".