40000000111 has 8 divisors (see below), whose sum is σ = 42933119904. Its totient is φ = 37131344640.

The previous prime is 40000000091. The next prime is 40000000129. The reversal of 40000000111 is 11100000004.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40000000111 - 2²³ = 39991611503 is a prime.

It is a Duffinian number.

40000000111 is a modest number, since divided by 111 gives 40 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 40000000094 and 40000000103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40000000141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16114795 + ... + 16117276.

It is an arithmetic number, because the mean of its divisors is an integer number (5366639988).

Almost surely, 2^40000000111 is an apocalyptic number.

40000000111 is a deficient number, since it is larger than the sum of its proper divisors (2933119793).

40000000111 is a wasteful number, since it uses less digits than its factorization.

40000000111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32232161.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 40000000111 its reverse (11100000004), we get a palindrome (51100000115).

The spelling of 40000000111 in words is "forty billion, one hundred eleven", and thus it is an aban number.