40307944211 has 2 divisors, whose sum is σ = 40307944212. Its totient is φ = 40307944210.

The previous prime is 40307944207. The next prime is 40307944217. The reversal of 40307944211 is 11244970304.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40307944211 - 2² = 40307944207 is a prime.

It is not a weakly prime, because it can be changed into another prime (40307944217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20153972105 + 20153972106.

It is an arithmetic number, because the mean of its divisors is an integer number (20153972106).

Almost surely, 2^40307944211 is an apocalyptic number.

40307944211 is a deficient number, since it is larger than the sum of its proper divisors (1).

40307944211 is an equidigital number, since it uses as much as digits as its factorization.

40307944211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 40307944211 in words is "forty billion, three hundred seven million, nine hundred forty-four thousand, two hundred eleven".