40307011 has 2 divisors, whose sum is σ = 40307012. Its totient is φ = 40307010.

The previous prime is 40306993. The next prime is 40307021. The reversal of 40307011 is 11070304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40307011 - 2²¹ = 38209859 is a prime.

It is not a weakly prime, because it can be changed into another prime (40307021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20153505 + 20153506.

It is an arithmetic number, because the mean of its divisors is an integer number (20153506).

Almost surely, 2^40307011 is an apocalyptic number.

40307011 is a deficient number, since it is larger than the sum of its proper divisors (1).

40307011 is an equidigital number, since it uses as much as digits as its factorization.

40307011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 40307011 is about 6348.7802765571. The cubic root of 40307011 is about 342.8679293316.

Adding to 40307011 its reverse (11070304), we get a palindrome (51377315).

The spelling of 40307011 in words is "forty million, three hundred seven thousand, eleven".