40342440311 has 2 divisors, whose sum is σ = 40342440312. Its totient is φ = 40342440310.

The previous prime is 40342440287. The next prime is 40342440323. The reversal of 40342440311 is 11304424304.

40342440311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40342440311 - 2²² = 40338246007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40342440331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20171220155 + 20171220156.

It is an arithmetic number, because the mean of its divisors is an integer number (20171220156).

Almost surely, 2^40342440311 is an apocalyptic number.

40342440311 is a deficient number, since it is larger than the sum of its proper divisors (1).

40342440311 is an equidigital number, since it uses as much as digits as its factorization.

40342440311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 40342440311 its reverse (11304424304), we get a palindrome (51646864615).

The spelling of 40342440311 in words is "forty billion, three hundred forty-two million, four hundred forty thousand, three hundred eleven".