40011211 has 2 divisors, whose sum is σ = 40011212. Its totient is φ = 40011210.

The previous prime is 40011197. The next prime is 40011233. The reversal of 40011211 is 11211004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40011211 - 2⁹ = 40010699 is a prime.

It is not a weakly prime, because it can be changed into another prime (40011281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20005605 + 20005606.

It is an arithmetic number, because the mean of its divisors is an integer number (20005606).

Almost surely, 2^40011211 is an apocalyptic number.

40011211 is a deficient number, since it is larger than the sum of its proper divisors (1).

40011211 is an equidigital number, since it uses as much as digits as its factorization.

40011211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 40011211 is about 6325.4415656142. The cubic root of 40011211 is about 342.0271372514.

Adding to 40011211 its reverse (11211004), we get a palindrome (51222215).

It can be divided in two parts, 400 and 11211, that added together give a palindrome (11611).

The spelling of 40011211 in words is "forty million, eleven thousand, two hundred eleven".