40068101 has 2 divisors, whose sum is σ = 40068102. Its totient is φ = 40068100.

The previous prime is 40068097. The next prime is 40068109. The reversal of 40068101 is 10186004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35117476 + 4950625 = 5926^2 + 2225^2 .

It is a cyclic number.

It is not a de Polignac number, because 40068101 - 2² = 40068097 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 (40068109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20034050 + 20034051.

It is an arithmetic number, because the mean of its divisors is an integer number (20034051).

Almost surely, 2^40068101 is an apocalyptic number.

It is an amenable number.

40068101 is a deficient number, since it is larger than the sum of its proper divisors (1).

40068101 is an equidigital number, since it uses as much as digits as its factorization.

40068101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 40068101 is about 6329.9368875211. The cubic root of 40068101 is about 342.1891644144.

The spelling of 40068101 in words is "forty million, sixty-eight thousand, one hundred one".