40230020111 has 4 divisors (see below), whose sum is σ = 40335059712. Its totient is φ = 40124980512.

The previous prime is 40230020081. The next prime is 40230020113. The reversal of 40230020111 is 11102003204.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40230020111 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 (40230020113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52519226 + ... + 52519991.

It is an arithmetic number, because the mean of its divisors is an integer number (10083764928).

Almost surely, 2^40230020111 is an apocalyptic number.

40230020111 is a deficient number, since it is larger than the sum of its proper divisors (105039601).

40230020111 is a wasteful number, since it uses less digits than its factorization.

40230020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105039600.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 40230020111 its reverse (11102003204), we get a palindrome (51332023315).

The spelling of 40230020111 in words is "forty billion, two hundred thirty million, twenty thousand, one hundred eleven".