40340020111 has 4 divisors (see below), whose sum is σ = 40573199592. Its totient is φ = 40106840632.

The previous prime is 40340020109. The next prime is 40340020157. The reversal of 40340020111 is 11102004304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40340020111 - 2¹ = 40340020109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40340023111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116589481 + ... + 116589826.

It is an arithmetic number, because the mean of its divisors is an integer number (10143299898).

Almost surely, 2^40340020111 is an apocalyptic number.

40340020111 is a deficient number, since it is larger than the sum of its proper divisors (233179481).

40340020111 is a wasteful number, since it uses less digits than its factorization.

40340020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233179480.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 40340020111 its reverse (11102004304), we get a palindrome (51442024415).

The spelling of 40340020111 in words is "forty billion, three hundred forty million, twenty thousand, one hundred eleven".