40006216115 has 4 divisors (see below), whose sum is σ = 48007459344. Its totient is φ = 32004972888.

The previous prime is 40006216111. The next prime is 40006216141. The reversal of 40006216115 is 51161260004.

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 40006216115 - 2² = 40006216111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40006216111) 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 3 ways as a sum of consecutive naturals, for example, 4000621607 + ... + 4000621616.

It is an arithmetic number, because the mean of its divisors is an integer number (12001864836).

Almost surely, 2^40006216115 is an apocalyptic number.

40006216115 is a deficient number, since it is larger than the sum of its proper divisors (8001243229).

40006216115 is an equidigital number, since it uses as much as digits as its factorization.

40006216115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8001243228.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 40006216115 its reverse (51161260004), we get a palindrome (91167476119).

The spelling of 40006216115 in words is "forty billion, six million, two hundred sixteen thousand, one hundred fifteen".