40140011 has 2 divisors, whose sum is σ = 40140012. Its totient is φ = 40140010.

The previous prime is 40139993. The next prime is 40140017. The reversal of 40140011 is 11004104.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40140011 is a prime.

It is a super-2 number, since 2×40140011² = 3222440966160242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40139974 and 40140001.

It is not a weakly prime, because it can be changed into another prime (40140017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20070005 + 20070006.

It is an arithmetic number, because the mean of its divisors is an integer number (20070006).

Almost surely, 2^40140011 is an apocalyptic number.

40140011 is a deficient number, since it is larger than the sum of its proper divisors (1).

40140011 is an equidigital number, since it uses as much as digits as its factorization.

40140011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 40140011 is about 6335.6144926913. The cubic root of 40140011 is about 342.3937504091.

Adding to 40140011 its reverse (11004104), we get a palindrome (51144115).

The spelling of 40140011 in words is "forty million, one hundred forty thousand, eleven".