40565440115 has 16 divisors (see below), whose sum is σ = 49496939136. Its totient is φ = 31907184000.

The previous prime is 40565440087. The next prime is 40565440127. The reversal of 40565440115 is 51104456504.

It is not a de Polignac number, because 40565440115 - 2²⁸ = 40297004659 is a prime.

It is a Duffinian number.

40565440115 is a modest number, since divided by 440115 gives 40565 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 749465 + ... + 801765.

It is an arithmetic number, because the mean of its divisors is an integer number (3093558696).

Almost surely, 2^40565440115 is an apocalyptic number.

40565440115 is a deficient number, since it is larger than the sum of its proper divisors (8931499021).

40565440115 is a wasteful number, since it uses less digits than its factorization.

40565440115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54910.

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 40565440115 its reverse (51104456504), we get a palindrome (91669896619).

The spelling of 40565440115 in words is "forty billion, five hundred sixty-five million, four hundred forty thousand, one hundred fifteen".