40371011 has 2 divisors, whose sum is σ = 40371012. Its totient is φ = 40371010.

The previous prime is 40371007. The next prime is 40371047. The reversal of 40371011 is 11017304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40371011 - 2² = 40371007 is a prime.

It is not a weakly prime, because it can be changed into another prime (40377011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20185505 + 20185506.

It is an arithmetic number, because the mean of its divisors is an integer number (20185506).

Almost surely, 2^40371011 is an apocalyptic number.

40371011 is a deficient number, since it is larger than the sum of its proper divisors (1).

40371011 is an equidigital number, since it uses as much as digits as its factorization.

40371011 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 17.

The square root of 40371011 is about 6353.8186156043. The cubic root of 40371011 is about 343.0493034324.

Adding to 40371011 its reverse (11017304), we get a palindrome (51388315).

The spelling of 40371011 in words is "forty million, three hundred seventy-one thousand, eleven".