40118487105 has 16 divisors (see below), whose sum is σ = 64598433984. Its totient is φ = 21260241600.

The previous prime is 40118487091. The next prime is 40118487107. The reversal of 40118487105 is 50178481104.

It is not a de Polignac number, because 40118487105 - 2⁴ = 40118487089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40118487107) 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 15 ways as a sum of consecutive naturals, for example, 8515371 + ... + 8520080.

It is an arithmetic number, because the mean of its divisors is an integer number (4037402124).

Almost surely, 2^40118487105 is an apocalyptic number.

It is an amenable number.

40118487105 is a deficient number, since it is larger than the sum of its proper divisors (24479946879).

40118487105 is a wasteful number, since it uses less digits than its factorization.

40118487105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17035616.

The product of its (nonzero) digits is 35840, while the sum is 39.

The spelling of 40118487105 in words is "forty billion, one hundred eighteen million, four hundred eighty-seven thousand, one hundred five".