40000432111 has 8 divisors (see below), whose sum is σ = 40566919680. Its totient is φ = 39435957912.

The previous prime is 40000432099. The next prime is 40000432141. The reversal of 40000432111 is 11123400004.

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 40000432111 - 2⁷ = 40000431983 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 (40000432141) 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 7 ways as a sum of consecutive naturals, for example, 463305 + ... + 542818.

It is an arithmetic number, because the mean of its divisors is an integer number (5070864960).

Almost surely, 2^40000432111 is an apocalyptic number.

40000432111 is a deficient number, since it is larger than the sum of its proper divisors (566487569).

40000432111 is a wasteful number, since it uses less digits than its factorization.

40000432111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006685.

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

Adding to 40000432111 its reverse (11123400004), we get a palindrome (51123832115).

The spelling of 40000432111 in words is "forty billion, four hundred thirty-two thousand, one hundred eleven".